Earth-Two
Encyclopedia
Earth-Two is a fictional universe appearing in American
American comic book
An American comic book is a small magazine originating in the United States and containing a narrative in the form of comics. Since 1975 the dimensions have standardized at 6 5/8" x 10 ¼" , down from 6 ¾" x 10 ¼" in the Silver Age, although larger formats appeared in the past...

 comic book
Comic book
A comic book or comicbook is a magazine made up of comics, narrative artwork in the form of separate panels that represent individual scenes, often accompanied by dialog as well as including...

 stories published by DC Comics
DC Comics
DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

. First appearing in The Flash #123 (1961), Earth-Two was created to explain how Silver-Age
Silver Age of Comic Books
The Silver Age of Comic Books was a period of artistic advancement and commercial success in mainstream American comic books, predominantly those in the superhero genre. Following the Golden Age of Comic Books and an interregnum in the early to mid-1950s, the Silver Age is considered to cover the...

 (Earth-One
Earth-One
Earth-One is a name given to two fictional universes that have appeared in American comic book stories published by DC Comics...

) versions of characters such as the Flash
Flash (comics)
The Flash is a name shared by several fictional comic book superheroes from the DC Comics universe. Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1 ....

 could appear in stories with their Golden Age
Golden Age of Comic Books
The Golden Age of Comic Books was a period in the history of American comic books, generally thought of as lasting from the late 1930s until the late 1940s or early 1950s...

 counterparts. This Earth-Two continuity includes DC Golden Age heroes, including the Justice Society of America
Justice Society of America
The Justice Society of America, or JSA, is a DC Comics superhero group, the first team of superheroes in comic book history. Conceived by editor Sheldon Mayer and writer Gardner Fox, the JSA first appeared in All Star Comics #3 ....

, whose careers began at the dawn of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, concurrently with their first appearances in comics. Earth-Two, along with the four other surviving Earths of the DC Multiverse
Multiverse (DC Comics)
The DC Multiverse is a fictional continuity construct that exists in stories published by comic book company DC Comics. The DC Multiverse consists of numerous worlds, most of them outside DC's main continuity, allowing writers the creative freedom to explore alternative versions of characters and...

, are merged into one in the 1985 miniseries Crisis on Infinite Earths
Crisis on Infinite Earths
Crisis on Infinite Earths is a 12-issue American comic book limited series and crossover event, produced by DC Comics in 1985 to simplify its then 50-year-old continuity...

.

Flash of Two Worlds

Characters from DC Comics
DC Comics
DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

 were originally suggestive of each existing in their own world, as superheroes never encountered each other. However, this was soon changed with alliances being formed between certain protagonists. Several publications, including All-Star Comics (publishing tales of the Justice Society of America
Justice Society of America
The Justice Society of America, or JSA, is a DC Comics superhero group, the first team of superheroes in comic book history. Conceived by editor Sheldon Mayer and writer Gardner Fox, the JSA first appeared in All Star Comics #3 ....

), Leading Comics
Leading Comics
Leading Comics was a comic book published by what is now DC Comics during the 1940s and early 1950s, a period known to fans and historians as the Golden Age of Comic Books. At the title's inception, DC was actually two companies, National Comics and All-American Publications...

(publishing tales of the Seven Soldiers of Victory
Seven Soldiers of Victory
The Seven Soldiers of Victory is a fictional team of comic book superheroes in the DC Comics universe...

) and other comic books introduced a "shared-universe" among several characters during the 1940s until the present day.
Alternative-reality Earths had been used in DC stories before, but were usually not referred to after that particular story. Also most of these alternative Earths were usually so vastly different that no one would confuse that Earth and its history with the so called real Earth. That would change when the existence of another reliable Earth was established in a story titled "Flash of Two Worlds
Flash of Two Worlds
"Flash of Two Worlds!" is a landmark comic book story that was published in The Flash #123 . It introduces Earth-Two, and more generally the concept of the multiverse, to DC Comics...

" in which Barry Allen, the modern Flash later referred to as Earth-One
Earth-One
Earth-One is a name given to two fictional universes that have appeared in American comic book stories published by DC Comics...

 (the setting of the Silver Age stories) first travels to another Earth, accidentally vibrating at just the right speed to appear on Earth-Two, where he meets Jay Garrick, his Earth-Two counterpart. He claims Gardener Fox's dreams were tuned into Earth-Two.
Superman "Kal-L" is the first major reliable costumed superhero to surface on Earth-Two, discounting earlier part-time heroes such as Dr. Occult. Most of the following costumed mystery-men history is based on the Earth-Two Superman's initial appearance, where these previously independent operating heroes begin to reliably interact. In order to distinguish him from the later primary version of the character, this Superman is called "Kal-L", using the spelling of Superman's Kryptonian name in his early appearances. He was specifically introduced as an Earth-Two character in Justice League of America #73 (1969). Most superheroes from the Golden Age later followed this trend of operating publicly, while wearing distinctive costuming and interacting in a largely shared universe. However, the primary characters of Superman and Batman still largely worked independent of team environments.

Destruction

Crisis on Infinite Earths
Crisis on Infinite Earths
Crisis on Infinite Earths is a 12-issue American comic book limited series and crossover event, produced by DC Comics in 1985 to simplify its then 50-year-old continuity...

(1985–1986) was an effort by DC Comics to clean up their continuity, resulting in the multiple universes combining into one. Since then, a handful of characters originating from Earth-Two have consistently remained part of the merged Earth, including Power Girl
Power Girl
Power Girl is a DC Comics superheroine, making her first appearance in All Star Comics #58 ....

, Jay Garrick, and Alan Scott
Alan Scott
Alan Scott is a fictional character, a superhero in the and the first superhero to bear the name Green Lantern.-Publication history:The original Green Lantern was created by young struggling artist Martin Nodell, who was inspired by the sight of a New York Subway employee waving a red lantern to...

. Superman and Lois Lane from Earth-Two (along with Superboy
Superboy-Prime
Superboy-Prime, also known as Superman-Prime, or simply Prime, is a DC Comics superhero turned supervillain, and one of several alternate Supermen. The character first appeared in DC Comics Presents #87 , and was created by Elliot S...

 from Earth Prime
Earth Prime
Earth Prime is a term sometimes used in works of speculative fiction involving parallel universes or a multiverse, and refers either to the universe containing "our" Earth, or to a parallel world with a bare minimum of divergence points from Earth as we know it...

, and Alexander Luthor, Jr.
Alexander Luthor, Jr.
Alexander Luthor Jr. is a DC Comics character who turned from a hero to a villain. Created by Marv Wolfman and George Pérez, Alexander has a prominent role in the DC Universe storylines Crisis on Infinite Earths and Infinite Crisis....

 from Earth-Three
Earth-Three
Earth-Three is a fictional alternate universe set in the . It is the Earth of an alternate reality in the DC Multiverse. It first appeared in Justice League of America #29 .-Pre-Crisis:Its history is a mirror image to the Earth we know...

) were transported into a ghost-like "paradise dimension" tangential to the new universe.

Following the end of the known Multiverse, more alternate realities were discovered. Even though Earth-Three was destroyed in the Anti-Monitor
Anti-Monitor
The Anti-Monitor is a fictional character, a comic book supervillain and the antagonist of the 1985 DC Comics miniseries Crisis on Infinite Earths. He first appeared in Crisis on Infinite Earths #2 , and was destroyed in Crisis on Infinite Earths #12, only to return after a long absence in Green...

's anti-matter wave attacks, a new Crime Syndicate (called the "Crime Syndicate of Amerika" rather than the old "~America") developed in the antimatter universe of Qward
Qward
Qward is a fictional world existing within an antimatter universe that is part of the . It was first mentioned in Green Lantern # 2 .-Fictional history:...

, which was very different in background and power base from the pre-Crisis Earth-Three group, though same in the number of members. After the Kingdom event, Hypertime
Hypertime
Hypertime is a fictional concept presented in the 1999 DC comic book series The Kingdom, both a catch-all explanation for any continuity discrepancies in DC Universe stories and a variation or superset of the Multiverse that existed before Crisis on Infinite Earths.- The Kingdom :The basic premise...

 and divergent realities were revealed, but never supposed to be accessed, as stated in the Zero Hour
Zero Hour (comics)
Zero Hour: Crisis in Time is a five-issue comic book limited series and crossover storyline published by DC Comics in 1994. In it, the former hero Hal Jordan, who had until then been a member of the intergalactic police force known as the Green Lantern Corps, mad with grief after the destruction of...

 event. They were later revealed when a directly-parallel Flash (Walter West aka the "Dark Flash") entered the mainstream DC Universe and threatened to destroy it. These alternate realities are usually addressed as "Elsewhere" and "Elseworld" stories.

Infinite Crisis

Kal-L, Lois Lane-Kent, Superboy-Prime
Superboy-Prime
Superboy-Prime, also known as Superman-Prime, or simply Prime, is a DC Comics superhero turned supervillain, and one of several alternate Supermen. The character first appeared in DC Comics Presents #87 , and was created by Elliot S...

, and Alexander Luthor returned during Infinite Crisis
Infinite Crisis
Infinite Crisis is a 2005 - 2006 comic book storyline published by DC Comics, consisting of an eponymous, seven-issue comic book limited series written by Geoff Johns and illustrated by Phil Jimenez, George Pérez, Ivan Reis, and Jerry Ordway, and a number of tie-in books...

. Unknown to Kal-L, Luthor's plan was to resurrect the pre-Crisis Multiverse. He wanted to mix and match elements from each reality to create a "perfect world". The fallout of the conflict brought the short-lived return of an Earth-Two copy and the deaths of Kal-L, Lois Lane-Kent and Luthor Jr. of Earth-Three. It is unclear what happened to the aged Diana Trevor, the Earth-Two Wonder Woman
Wonder Woman (Earth-Two)
Wonder Woman of Earth-Two is a fictional DC Comics superheroine retconned from original stories created by Wonder Woman writer/creator William Moulton Marston and his wife Elizabeth Holloway Marston. This "version" of Wonder Woman is attributed to have first appeared in All Star Comics #8...

, though she faded from her ghostly existence. Inexplicably, Earth-Two was the only returning world that was devoid of most people, except the Justice Society, Kal-L, and his wife Lois Kent. This world was a copy, new and recently manufactured by Alexander Luthor, Jr.
Alexander Luthor, Jr.
Alexander Luthor Jr. is a DC Comics character who turned from a hero to a villain. Created by Marv Wolfman and George Pérez, Alexander has a prominent role in the DC Universe storylines Crisis on Infinite Earths and Infinite Crisis....

 of pre-Crisis Earth-Two, instead of resurrected. This copy Earth-Two was recombined with the primary Earth to form the current primary DC reality termed as "New Earth".

The New 52

It has recently been announced that with the new DC Universe that there will be a return of the Earth-2 concept with the partial reboot of the DC Universe as part of the publisher's New 52
The New 52
The New 52 is a 2011 revamp and relaunch by DC Comics of its entire line of ongoing monthly superhero books, in which all of its existing titles were cancelled, and 52 new series debuted in September 2011 with new #1 issues. Among the series being renumbered are Action Comics and Detective Comics,...

 event. The details of Earth-Two's presence in the relaunch are currently unknown.

Earth-Two characters

The following is a list of Earth-Two superheroes that have an Earth-One counterpart.
Character Identity Notes
Aquaman Arthur Curry Arthur Curry of Earth-Two was a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

. He was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60 (the only visual difference from his Earth-One counterpart, initially, were yellow gloves instead of green, and yellow fins on the backs of his boots).
The Atom Al Pratt The Atom of Earth-Two was college-student-turned-physicist Al Pratt. Pratt's tenure as the Atom was particularly notable, inasmuch as he was barely five feet (1.5 m) in height, and had no superpowers for much of his career. Through intense training, he achieved peak physical condition and became a fierce brawler. Among Golden Age members of the Justice Society, only Wildcat
Wildcat (comics)
Wildcat is the name of several fictional characters, all DC Comics superheroes. The first and most famous of these is Ted Grant, a long-time member of the Justice Society of America...

 and Batman
Batman (Earth-Two)
The Batman of Earth-Two is a parallel version of the DC Comics superhero, who was introduced after DC Comics created Earth-Two, a parallel world that was retroactively established as the home of characters which had been published in the Golden Age of comic books...

 were considered more formidable in hand-to-hand combat.
Batman
Batman (Earth-Two)
The Batman of Earth-Two is a parallel version of the DC Comics superhero, who was introduced after DC Comics created Earth-Two, a parallel world that was retroactively established as the home of characters which had been published in the Golden Age of comic books...

Bruce Wayne Batman of Earth-Two was raised by his paternal uncle, Philip, following the murder of his parents. Along with his close friend Superman (Kal-L), Batman participated in the Justice Society and the war-time All-Star Squadron. Eventually, he retired and became the police commissioner of Gotham City
Gotham City
Gotham City is a fictional U.S. city appearing in DC Comics, best known as the home of Batman. Batman's place of residence was first identified as Gotham City in Batman #4 . Gotham City is strongly inspired by Trenton, Ontario's history, location, atmosphere, and various architectural styles...

. Wayne married Selina Kyle (Catwoman
Catwoman
Catwoman is a fictional character associated with DC Comics' Batman franchise. Historically a supervillain, the character was created by Bill Finger and Bob Kane, partially inspired by Kane's cousin, Ruth Steel...

), and had a daughter named Helena Wayne, who became a costumed adventurer known as the Huntress
Huntress (Helena Wayne)
The Bronze Age Huntress was Helena Wayne, the daughter of the Batman and Catwoman of Earth-Two, an alternate universe established in the early 1960s as the world where the Golden Age stories took place...

. In 1979, he died battling the escaped-convict Bill Jensen (Adventure Comics #462), who had been granted powerful magical abilities by Fredric Vaux
Fredric Vaux
Fredric Vaux is a fictional character, a supervillain in the DC Comics universe.-Fictional character biography:An enemy of the Justice Society of America, the chaos sorcerer Fredric Vaux originally existed on the parallel world of Earth-Two in the DC Multiverse...

 (Adventure Comics #463) as part of a failed plot to remove all superheroes, and memory of them, from the world. Although this Batman was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60, he was restored to continuity (still deceased) in JSA #85, as a result of the events of Infinite Crisis. His Earth-One counterpart was also Bruce Wayne, who is currently active with the Justice League.
Black Canary
Black Canary
Black Canary is the name of two fictional characters, DC Comics superheroines created by writer Robert Kanigher and artist Carmine Infantino. The first Black Canary debuted appeared in Flash Comics #86 . The first Black Canary was the alter-ego of Dinah Drake, who took part in Golden Age adventures...

Dinah Drake The Black Canary of Earth-Two was Dinah Drake. One of the few female members of the Justice Society's World War II roster, she was mistakenly believed to have migrated to Earth-One to become a member of the Justice League of America
Justice League
The Justice League, also called the Justice League of America or JLA, is a fictional superhero team that appears in comic books published by DC Comics....

. Eventually, it was revealed that Drake died from radiation poisoning, and that the Black Canary who journeyed to Earth-One was her daughter -- Dinah Lance. Following the events of Crisis on Infinite Earths and All-Star Squadron #60, history records that Drake served as the original Black Canary, and that her daughter Dinah Lance succeeded her and joined the Justice League (with membership in the Justice Society to follow years later).
Catwoman Selina Kyle The Catwoman of Earth-Two was Selina Kyle. She was originally a criminal in Gotham City, and was initially one of the primary foes of Batman
Batman (Earth-Two)
The Batman of Earth-Two is a parallel version of the DC Comics superhero, who was introduced after DC Comics created Earth-Two, a parallel world that was retroactively established as the home of characters which had been published in the Golden Age of comic books...

 and Robin. Selina reformed in the 1950s (after the events of Batman #69) and married Bruce Wayne. Soon afterwards, the couple gave birth to their only child, Helena Wayne (the Huntress). Selina eventually died in 1976 after being blackmailed by a criminal into going into action again as Catwoman (as shown in DC Super-Stars #17). She was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60.
Crimson Avenger Lee Walter Travis The Crimson Avenger of Earth-Two was wealthly newsman Lee Walter Travis. He and his partner Wing were among the first "mystery men", beginning their crimefighting careers in 1938. They were both members of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 and the Seven Soldiers of Victory
Seven Soldiers of Victory
The Seven Soldiers of Victory is a fictional team of comic book superheroes in the DC Comics universe...

. Wing sacrificed his life to defeat the Nebula Man
Nebula Man
Nebula Man is a fictional character in DC Comics. He first appeared in Justice League of America #100-101 .Originally a villain responsible for the disappearance of the Seven Soldiers of Victory, he has since reappeared as Neh-Buh-Loh, a primary antagonist in the 2005-2006 mega-series Seven...

 (as revealed in Justice League of America #100), while a terminally ill Crimson Avenger died piloting a ship away from the docks before it could explode (DC Comics Presents
DC Comics Presents
DC Comics Presents was a comic book published by DC Comics from 1978 to 1986 featuring team-ups between Superman and a wide variety of other characters of the DC Universe...

#38).
Doctor Fate Kent Nelson Doctor Fate was Kent Nelson, who was orphaned as a child after his archaeologist father was killed for opening the tomb of the wizard Nabu. The wizard raised Nelson and taught him the ways of magic, eventually giving him a mystical amulet and the Helmet of Fate, which contained Nabu's essence. Whenever Nelson wore the helmet, his personality melded with that of Nabu. Doctor Fate's Earth-One counterpart was the supervillain Doctor Chaos, who possessed a college research assistant named Burt Belker after acquiring a helmet containing a Lord of Chaos. He was soon confronted by Earth-One's teenage Superboy, who removed Belker's helmet and jettisoned it into space.
The Flash Jay Garrick The Flash of Earth-Two is Jason Peter Garrick. As a college student, Garrick accidentally inhaled hard water vapors, (later stories would change this to heavy water vapors), after falling asleep in his laboratory where he had been smoking. As a result, he discovered that he can run at superhuman speed and had similarly fast reflexes. Decades later, Garrick became the first Justice Society member to learn of Earth-One's existence when he met his counterpart, Barry Allen.
Green Arrow Oliver Queen Green Arrow of Earth-Two was a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 and the Seven Soldiers of Victory
Seven Soldiers of Victory
The Seven Soldiers of Victory is a fictional team of comic book superheroes in the DC Comics universe...

. He died in 1985 during Crisis on Infinite Earths, and was retconned out of existence by the events of that series and All-Star Squadron #60.
Green Lantern
Alan Scott
Alan Scott is a fictional character, a superhero in the and the first superhero to bear the name Green Lantern.-Publication history:The original Green Lantern was created by young struggling artist Martin Nodell, who was inspired by the sight of a New York Subway employee waving a red lantern to...

Alan Scott Green Lantern of Earth-Two is engineer Alan Scott. The source of Scott's power is the mystical "Starheart", the magical characteristics of the Earth-One universe gathered by the Guardians of the Universe
Guardians of the Universe
The Guardians of the Universe, alternatively known as the Guardians or Oans are a fictional extraterrestrial race in the DC Comics universe. They first appeared in Green Lantern Vol. 2 #1 , and were created by John Broome and Gil Kane. Here they do not reveal their existence to Hal, bringing his...

. This collective force was hidden in the heart of a star and eventually became sentient. It also helped to retard Scott's aging process.
Guardian
Guardian (DC Comics)
Guardian is a comic book fictional character, a DC Comics superhero, created by Jack Kirby and Joe Simon. He first appeared in Star Spangled Comics #7...

Jim Harper The Guardian of Earth-Two was police officer Jim Harper. He was the uncle of Roy Harper, who was better known as Green Arrow's teen sidekick, Speedy. Decades later, Earth-One produced two counterparts: the first was another version of Jim Harper. The second was Mal Duncan
Mal Duncan
Malcolm "Mal" Arnold Duncan, currently known as Vox , is a fictional character, existing in DC Comics' main shared universe...

, a nonpowered Teen Titan who discovered the original costume of the Earth-One Harper, and, with a strength-augmenting exoskeleton, briefly assumed the Guardian identity.
Harlequin Molly Mayne The Harlequin of Earth-Two is former criminal Molly Mayne. In 1948, Mayne betrayed her Injustice Society
Injustice Society
The Injustice Society is a group of fictional supervillains in the . They are the main antagonists of the Justice Society of America.-Original team:...

 teammates in order to save the lives of the Justice Society. A subsequent deal with the U.S. government allowed her to work as an undercover agent for the FBI in return for amnesty for her past crimes. During the events of Crisis on Infinite Earths, Mayne and Alan Scott (Green Lantern) were married. The Harlequin of Earth-One is Duela Dent
Duela Dent
Duela Dent is a fictional character in the DC Universe. She is a former member of both the Teen Titans and Titans East. Introduced under the alias of Joker's Daughter, she has also used the aliases "Catgirl", "Scarecrone", "Riddler's Daughter", "Penguin's Daughter", "Card Queen", and...

, a former Teen Titan who claimed to be the daughter of Batman villain Two-Face
Two-Face
Two-Face is a fictional comic book supervillain who appears in comic books published by DC Comics. and is an enemy of Batman. The character first appeared in Detective Comics #66 , and was created by Bob Kane and Bill Finger....

.
Hawkgirl Shiera Saunders Hawkgirl of Earth-Two was Shiera Saunders, companion of Carter Hall (Hawkman). Saunders and Hall were eventually married and had a son named Hector Hall
Hector Hall
Hector Hall was a superhero who appeared in DC Comics's Infinity, Inc., Sandman and JSA. He has gone by the names Silver Scarab, Sandman and, before his death, Dr. Fate.-Childhood:...

, who became a costumed adventurer known as the Silver Scarab.
Hawkman Carter Hall Hawkman of Earth-Two was archaeologist Carter Hall. He and his companion Shiera Saunders (Hawkgirl) were eventually married and had a son named Hector Hall, who became a costumed adventurer known as the Silver Scarab.
Johnny Quick
Johnny Quick (Johnny Chambers)
Johnny Quick is a Golden Age DC Comics character with the power of superhuman speed. He was a superhero who appeared mostly in More Fun Comics during the Golden Age...

Johnny Chambers Johnny Quick of Earth-Two was a newsreel photographer who mastered the power of superspeed by reciting a mathematical formula: "3X2(9YZ)4A". During World War II, he was drafted into service as a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

. The Johnny Quick who remains following Crisis on Infinite Earths is the one from Earth-Two.
Johnny Thunder
Johnny Thunder
Johnny Thunder is the name of three fictional characters in comics published by DC Comics. A fourth character has the variant name Jonni Thunder.It is also the name of an unrelated Lego character.-Fictional character biography:...

Johnny Thunder Johnny Thunder of Earth-Two—the seventh son of a seventh son—was born at 7 AM on the seventh day of the seventh month in 1917. As an infant, he was kidnapped by a group of men from the country of Badhnesia. He was given possession of the genie-like Thunderbolt during a mystic ritual performed on his seventh birthday. Thunder's Earth-One counterpart was a petty criminal who was also capable of controlling the Thunderbolt (who apparently has no counterpart). The Johnny Thunder who remains following Crisis on Infinite Earths is the one from Earth-Two.
Manhunter
Manhunter (comics)
-Golden Age:The first of DC's Manhunters was a non-costumed independent investigator, Paul Kirk, who helped police solve crimes during the early 1940s. Though the series was titled "Paul Kirk, Manhunter", Kirk didn't use the Manhunter name as an alias...

- Dan Richards
- Paul Kirk
During World War II, Earth-Two had two costumed vigilantes who assumed the name Manhunter: Dan Richards and Paul Kirk. Richards was a member of the Freedom Fighters
Freedom Fighters (comics)
Freedom Fighters is a DC Comics comic book superhero team made up of characters acquired from the defunct company Quality Comics. Although the characters were created by Quality, they never were gathered in a group before acquired by DC...

, while Kirk joined the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

.
Plastic Man
Plastic Man
Plastic Man is a fictional comic-book superhero originally published by Quality Comics and later acquired by DC Comics. Created by writer-artist Jack Cole, he first appeared in Police Comics #1 ....

Patrick "Eel" O'Brian Plastic Man was a Quality Comics
Quality Comics
Quality Comics was an American comic book publishing company that operated from 1939 to 1956 and was an influential creative force in what historians and fans call the Golden Age of comic books....

 character, the rights to which were later acquired by DC Comics. Initially, DC stated that he hailed from Earth-X, along with all the Quality characters. Later, an Earth-One Plastic Man was introduced, and the original version was depicted as a native of Earth-Two who joined the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 during World War II and subsequently moved to Earth-X. The Earth-Two/Earth-X Plastic Man was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60.
Power Girl
Power Girl
Power Girl is a DC Comics superheroine, making her first appearance in All Star Comics #58 ....

Kara Zor-L Power Girl is the cousin of Superman, and the counterpart of Kara Zor-El
Supergirl (Kara Zor-El)
Kara Zor-El is a fictional character appearing in comic books published by DC Comics and related media, created by writer Otto Binder and designed by artist Al Plastino. As Supergirl, Kara Zor-El serves as the biological cousin and female counterpart to DC Comic's iconic superhero Superman, created...

, Earth-One's Supergirl
Supergirl
Supergirl is a female counterpart to the DC Comics Superman. As his cousin, she shares his super powers and vulnerability to Kryptonite. She was created by writer Otto Binder and designed by artist Al Plastino in 1959. She first appeared in the Action Comics comic book series and later branched out...

. She arrived on Earth(-Two) late in Superman's career, and assumed the name Karen Starr as her secret identity. She is currently the only person from the Earth-Two universe still alive and active on New Earth.
Red Tornado Abigail Mathilda "Ma" Hunkel The original Red Tornado of Earth-Two is a widow known as "Ma" Hunkel. While her children were in their youth, Hunkel ran a small Manhattan grocery store. One of the first superhero parodies, her costume consisted of longjohns and a cooking pot which she wore on her head. Because of her roly-poly build, she was able to successfully masquerade as a man. Although a costume mishap prevented her from attending the first meeting of the Justice Society of America, she eventually became an honorary member. Many years later, an android calling himself the Red Tornado joined the Justice Society, but he eventually migrated to Earth-One and joined the Justice League of America.
Robin Richard Grayson The Golden Age version of Dick Grayson was born in the late 1920s, and continued to be Robin even as an adult, having no successors even after Batman's death. His allies included the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 along with Batwoman
Batwoman
Batwoman is the name of several fictional characters, female counterparts to the superhero Batman. The original version was created by Bob Kane and Sheldon Moldoff. Her alter ego is Kathy Kane. This character appears in publications produced by DC Comics and related media beginning in Detective...

 and Bat-Girl. He eventually became a member of the Justice Society of America. During his later years, he adopted a more Batman-like look for a time, and by the 1960s had become a lawyer and the ambassador to South Africa. He died in 1985 during Crisis on Infinite Earths, and was retconned out of existence by the events of that series and All-Star Squadron #60. However, this Robin's exploits were re-acknowledged in JSA Classified #4.
Robotman Robert Crane Robotman of Earth-Two was scientist Robert Crane. He was a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 during World War II. His Earth-One counterpart, Cliff Steele, was a member of the Doom Patrol
Doom Patrol
The Doom Patrol is a superhero team appearing in publications from DC Comics. The original Doom Patrol first appeared in My Greatest Adventure #80...

.
Sandman
Sandman (Wesley Dodds)
Sandman , is a fictional superhero appearing in comic books published by DC Comics. The first of several DC characters to bear the name, he was created by writer Gardner Fox and artist Bert Christman....

Wesley Dodds The Sandman was one of DC's early "Mystery Men," and DC has used the name for several different characters (See Sandman (DC Comics)
Sandman (DC Comics)
Sandman is the name of seven fictional characters, superheroes appearing in comic books published by DC Comics. All are connected in one way or the other, though there are three largely dissimilar concepts, with two or three persons having served in each role various times...

. He was a member of the Justice Society. His schtick was to run around in a gasmask with a sleeping gas gun. Originally the character has no special abilities, but he was retroactively given the ability to have prophetic dreams. This tied him to DC's third version of the Sandman Dream (comics)
Dream (comics)
Dream is the fictional protagonist of DC Comics' Vertigo comic book series The Sandman, written by Neil Gaiman. One of the seven Endless, inconceivably powerful beings older and greater than gods, Dream is both lord and personification of all dreams and stories, all that is not in reality...

.
Speedy Roy Harper Speedy of Earth-Two was a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 and the Seven Soldiers of Victory
Seven Soldiers of Victory
The Seven Soldiers of Victory is a fictional team of comic book superheroes in the DC Comics universe...

. He was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60.
Superman Kal-L Superman of Earth-Two was born on the planet Krypton, and arrived on Earth as a baby near the start of Earth's First World War
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. As Clark Kent
Clark Kent
Clark Kent is a fictional character created by Jerry Siegel and Joe Shuster. Appearing regularly in stories published by DC Comics, he debuted in Action Comics #1 and serves as the civilian and secret identity of the superhero Superman....

, he was a reporter for the Daily Star, eventually becoming editor-in-chief and marrying its star reporter Lois Lane. Although he was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60, he was restored to continuity in The Kingdom
The Kingdom (comic book)
"The Kingdom" is a story arc that ran through a two-issue, self titled comic book limited series and multiple one shot comics published by DC Comics in 1999, written by Mark Waid and drawn by Ariel Olivetti/Mike Zeck. This is both a sequel and, in some ways, prequel to Kingdom Come, also by Mark...

#2. He was killed by hero-turned-villain Superboy-Prime
Superboy-Prime
Superboy-Prime, also known as Superman-Prime, or simply Prime, is a DC Comics superhero turned supervillain, and one of several alternate Supermen. The character first appeared in DC Comics Presents #87 , and was created by Elliot S...

 in Infinite Crisis #7, but later resurrected as a Black Lantern, along with his wife Lois.
Vigilante
Vigilante (comics)
Vigilante is the name used by several fictional characters appearing in DC Comics. The original character was one of the first DC Comics characters adapted for live-action film, beating Superman by one year.-Greg Saunders:...

Greg Sanders The Vigilante of Earth-Two is Greg Sanders, a country singer who became a western-themed "mystery man" in the 1940s. He was a member of the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

 and the Seven Soldiers of Victory
Seven Soldiers of Victory
The Seven Soldiers of Victory is a fictional team of comic book superheroes in the DC Comics universe...

. Decades later, Earth-One produced two counterparts: the first was another version of Sanders, while the second was former New York City district attorney Adrian Chase.
Wildcat
Wildcat (comics)
Wildcat is the name of several fictional characters, all DC Comics superheroes. The first and most famous of these is Ted Grant, a long-time member of the Justice Society of America...

Ted Grant Wildcat of Earth-Two is former heavyweight boxer Ted Grant. The Wildcat who remains following Crisis on Infinite Earths is the one from Earth-Two.
Wonder Woman
Wonder Woman (Earth-Two)
Wonder Woman of Earth-Two is a fictional DC Comics superheroine retconned from original stories created by Wonder Woman writer/creator William Moulton Marston and his wife Elizabeth Holloway Marston. This "version" of Wonder Woman is attributed to have first appeared in All Star Comics #8...

Diana Princess Diana Trevor of Paradise Island
Themyscira
Themyscira is a fictional island nation in the DC Comics universe that is the place of origin of Wonder Woman and her sister Amazons. Known as Paradise Island since Wonder Woman and the island's first appearance in All Star Comics #8 , it was renamed "Themyscira" with the character's February...

, the Wonder Woman of Earth-Two was formally introduced in Flash (Vol 1) #137 (1963) as an Earth-Two person and is attributed to the historical Wonder Woman stories starting with All Star Comics #8 in December 1941. She served as a member of the All-Star Squadron and soon after became secretary (later full-fledged member) of the Justice Society of America. As Diana Prince, she worked in the U.S. War Department
United States Department of War
The United States Department of War, also called the War Department , was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army...

 as an assistant to intelligence officer Steve Trevor
Steve Trevor
Steve Trevor is a fictional character appearing in DC Comics, as the primary love interest of Wonder Woman. He first appeared in All Star Comics #8 .-Golden Age:...

. Decades later, she and Trevor were married and had a daughter named Lyta (also known as Fury
Fury (DC Comics)
Fury is the codename shared by three DC Comics superheroes, two of whom are mother and daughter, both of whom directly connected with the Furies of mythology, and the third who is an altogether different character.-Pre-Crisis:...

). Although Diana was retconned out of existence by the events of Crisis on Infinite Earths and All-Star Squadron #60, she was briefly restored to continuity in Infinite Crisis #5.
Zatara
Zatara
Giovanni "John" Zatara is a fictional character in the DC Universe. He first appeared in Action Comics #1 , and was created by writer and artist Fred Guardineer. He is a stage magician who also practices actual magic...

Giovanni "John" Zatara John Zatara of Earth-Two was introduced in Action Comics #1
Action Comics 1
Action Comics #1 is the first issue of the comic book series Action Comics. It features the first appearance of several comic book heroes, most notably the Jerry Siegel/Joe Shuster creation Superman.-Contents:...

, and was a member of the All-Star Squadron.

Unique features

In the universe of which Earth-Two resides, Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

 was an independent nation autonomous from Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 had abolished apartheid sooner, and the Atlantean countries of Poseidonis and Tritonis were ruled by a queen, not a king (along with its inhabitants displaying surface dweller features and no capacity for underwater survival, as the Atlantis continent had been raised).
In addition, masked crimefighters are introduced decades earlier than in other universes later identified within DC Comics, and these participated in such historic conflicts as World War II. Franklin Delano Roosevelt founded both the Justice Society of America and the All-Star Squadron
All-Star Squadron
The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

. Other events taking place decades earlier include the destruction of Krypton and the advent of advanced technology including interstellar transportation and time travel. Contrasting with Earth-One's 30th century, there is no superheroic organization such as the Legion of Super-Heroes
Legion of Super-Heroes
The Legion of Super-Heroes is a fictional superhero team in the 30th and 31st centuries of the . The team first appears in Adventure Comics #247 , and was created by Otto Binder and Al Plastino....

 in existence during that time period.
Thousands of years ago, the Guardians of Earth-One's Universe
Guardians of the Universe
The Guardians of the Universe, alternatively known as the Guardians or Oans are a fictional extraterrestrial race in the DC Comics universe. They first appeared in Green Lantern Vol. 2 #1 , and were created by John Broome and Gil Kane. Here they do not reveal their existence to Hal, bringing his...

 expelled the vast majority of magic
Magic (fantasy)
Magic in fiction is the endowing of fictional characters or objects with magical powers.Such magic often serves as a plot device, the source of magical artifacts and their quests...

 from their universe, sending it to Earth-Two's. This resulted in a predominance of magic and a weakening of scientific laws within Earth-Two's universe.

Silver Age and Bronze Age

  • The Flash (vol. 1) #123 (1961)- "The Flash of Two Worlds" Barry Allen meets Jay Garrick; First appearance of Earth-Two.
  • Justice League of America
    Justice League
    The Justice League, also called the Justice League of America or JLA, is a fictional superhero team that appears in comic books published by DC Comics....

    #55 (August 1967) - First appearance of Richard Grayson; Robin is initiated into the Justice Society following Batman's retirement.
  • Justice League of America
    Justice League
    The Justice League, also called the Justice League of America or JLA, is a fictional superhero team that appears in comic books published by DC Comics....

    #73 (August 1969) - First appearance of Kal-L.
  • Justice League of America
    Justice League
    The Justice League, also called the Justice League of America or JLA, is a fictional superhero team that appears in comic books published by DC Comics....

    #82 (August 1970) - First appearance of Earth-Two Batman.
  • All Star Comics
    All Star Comics
    All Star Comics is a 1940s comic book series from All-American Publications, one of the early companies that merged with National Periodical Publications to form the modern-day DC Comics. With the exception of the first two issues, All Star Comics primarily told stories about the adventures of the...

    #58 (January/February 1976) - First appearance of Power Girl
    Power Girl
    Power Girl is a DC Comics superheroine, making her first appearance in All Star Comics #58 ....

    .
  • All Star Comics
    All Star Comics
    All Star Comics is a 1940s comic book series from All-American Publications, one of the early companies that merged with National Periodical Publications to form the modern-day DC Comics. With the exception of the first two issues, All Star Comics primarily told stories about the adventures of the...

    #69 (December 1977) - First appearance of Helena Wayne.
  • Adventure Comics
    Adventure Comics
    Adventure Comics was a comic book series published by DC Comics from 1935 to 1983 and then revamped from 2009 to 2011. In its first era, the series ran for 503 issues , making it the fifth-longest-running DC series, behind Detective Comics, Action Comics, Superman, and Batman...

    #462 (April 1979) - The death of Earth-Two Batman.
  • Justice League of America #171 (October 1979) - Mister Terrific (Terry Sloane) is murdered.
  • The New Adventures of Superboy #15-16 (March–April 1981) - It is revealed that a teenage Kal-L was trained in using his powers by a time traveling Superboy
    Superboy (Kal-El)
    The original Superboy is a fictional superhero who appears in DC Comics. The name of Superman as a boy, Superboy has adventures that occur in the relative past to those of Superman and take place predominantly in his hometown of Smallville...

     (the future Superman of Earth-One).
  • Justice League of America
    Justice League
    The Justice League, also called the Justice League of America or JLA, is a fictional superhero team that appears in comic books published by DC Comics....

    #193 (August 1981) - First appearance of the All-Star Squadron
    All-Star Squadron
    The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

    .
  • Wonder Woman
    Wonder Woman
    Wonder Woman is a DC Comics superheroine created by William Moulton Marston. She first appeared in All Star Comics #8 . The Wonder Woman title has been published by DC Comics almost continuously except for a brief hiatus in 1986....

    #300 - First appearance of Lyta Trevor, later to become Fury of Infinity, Inc.; revelation that Wonder Woman abandoned her secret identity after marrying Steve Trevor
    Steve Trevor
    Steve Trevor is a fictional character appearing in DC Comics, as the primary love interest of Wonder Woman. He first appeared in All Star Comics #8 .-Golden Age:...

    .
  • All-Star Squadron
    All-Star Squadron
    The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

    #25 (September 1983) - First appearance of Infinity, Inc.
  • The Brave and the Bold
    The Brave and the Bold
    The Brave and the Bold is the title shared by many comic book series published by DC Comics. The first of these was published as an ongoing series from 1955 to 1983...

    #200 (July 1983) - Final appearance of the Earth-Two Joker.
  • America vs. The Justice Society
    America vs. The Justice Society
    America vs. The Justice Society is a four-issue comic book mini-series starring the Justice Society of America which was first published by DC Comics between January and April 1985....

    #1-4 (January–April 1985) - Based upon entries from the diary of the deceased Batman, the World War II-era members of the Justice Society stand accused of being Nazi agents, and are placed on trial for treason. This limited series recounts the entire history of the JSA prior to 1985.

Crisis on Infinite Earths

  • Crisis on Infinite Earths
    Crisis on Infinite Earths
    Crisis on Infinite Earths is a 12-issue American comic book limited series and crossover event, produced by DC Comics in 1985 to simplify its then 50-year-old continuity...

    (1985):
    • The destruction of the multiverse, including Earth-Two and the first appearance of "new" Earth.
    • Infinity Inc. #27, (October 1985) - Earth-Two survivors Wonder Woman and Steve Trevor live on Mount Olympus as immortals.
    • Earth-Two survivors Kal-L & Lois Lane-Kent leave for an unknown paradise dimension.
    • Robin and Huntress die in the final conflict in Crisis on Infinite Earths #12, and are erased from existence and the memories of the final surivivors of the Crisis on Infinite Earths.
    • Psycho-Pirate remains on the new Earth. He is one of the few who remembers the multiverse. He is admitted to an insane asylum on New Earth.
  • All-Star Squadron
    All-Star Squadron
    The All-Star Squadron is a DC Comics superhero team that debuted in a special insert in Justice League of America #193 . Created by Roy Thomas, Rich Buckler and Jerry Ordway.-The concept:...

    #60 (July 1986) and Legend of Wonder Woman #4 (August 1986) - Mekanique
    Mekanique
    Mekanique is a fictional supervillain in the fictional DC Universe. She first appeared in All-Star Squadron #58 .-Fictional character biography:...

     and the goddess Aphrodite
    Aphrodite
    Aphrodite is the Greek goddess of love, beauty, pleasure, and procreation.Her Roman equivalent is the goddess .Historically, her cult in Greece was imported from, or influenced by, the cult of Astarte in Phoenicia....

    , who have been using their powers to hold back the full effects of the Crisis for their own purposes, now allow the Crisis' reality-changing effects to take hold. Most characters, with exceptions such as Psycho-Pirate and Per Degaton
    Per Degaton
    Per Degaton is a fictional character, a DC Comics supervillain who can travel through time. Per Degaton made his first appearance in All Star Comics #35 and was created by John Broome and Irwin Hasen...

    , lose their memories of pre-Crisis history. All of the duplicate pre-Crisis Earth-Two heroes, such as Aquaman, Batman, Green Arrow, Huntress, Robin, Speedy, Wonder Woman and Batwoman, all cease to exist, along with all memory of their existence.

Post-Crisis

  • Power Girl remains, but she is retcon
    Retcon
    Retroactive continuity is the alteration of previously established facts in a fictional work. Retcons are done for many reasons, including the accommodation of sequels or further derivative works in a series, wherein newer authors or creators want to revise the in-story history to allow a course...

    ned into an Atlantean, and her memories of her Earth-Two existence are erased.
  • Hippolyta Trevor (Fury) is also retconned in the new history, as she is no longer the daughter of the Earth-Two Wonder Woman, but rather the daughter of Helena Kosmatos.
  • The Kingdom (1999) - First appearance of Kal-L post-Crisis. Hypertime
    Hypertime
    Hypertime is a fictional concept presented in the 1999 DC comic book series The Kingdom, both a catch-all explanation for any continuity discrepancies in DC Universe stories and a variation or superset of the Multiverse that existed before Crisis on Infinite Earths.- The Kingdom :The basic premise...

     and divergent timelines are revealed to still exist by Rip Hunter
    Rip Hunter
    Rip Hunter is a DC Comics character who first appeared in Showcase #20 . Following three more appearances in Showcase , Rip Hunter was given his own series, which ran for 29 issues . He later starred in the six-issue Time Masters series , written by Bob Wayne and Lewis Shiner...

    .
  • Infinite Crisis (2005–2006) - Earth-Two returns.
    • The return and deaths of Kal-L and Lois Lane Kent, and disappearance of the Earth-Two Wonder Woman. In the collected trade of the series (not the original issued books), the final words of each mention they are being drawn somewhere. Kal-L also says, "They're still out there."
    • Power Girl's origin as an Earth-Two survivor revealed.
  • JSA - In the aftermath of the events of Infinite Crisis, the Earth-Two Batman is encountered as a ghost by members of the current Justice Society (JSA #85, 2006). The pre-Crisis Earth-Two Catwoman and the Huntress have not made full appearances except as simulations (Selina in her Catwoman costume with infant Helena) in Infinite Crisis #3 (Variant cover illustrated by Jim Lee) where Kal-L tries to convince New Earth Wayne to aid him and pre-Crisis Grayson appears there and in issue 6.

Post-52 version

At the end of the Infinite Crisis
Infinite Crisis
Infinite Crisis is a 2005 - 2006 comic book storyline published by DC Comics, consisting of an eponymous, seven-issue comic book limited series written by Geoff Johns and illustrated by Phil Jimenez, George Pérez, Ivan Reis, and Jerry Ordway, and a number of tie-in books...

limited series, the realigned world is called "New Earth". In the final issue of the 52
52 (comics)
52 was a weekly American comic book limited series published by DC Comics that debuted on May 10, 2006, one week after the conclusion of the seven-issue Infinite Crisis. The series was written by Geoff Johns, Grant Morrison, Greg Rucka, and Mark Waid with layouts by Keith Giffen...

weekly series, it is revealed that fifty-two duplicate worlds have been created and all but New Earth have been altered from the original incarnation.
The post-Crisis Earth-2 made its first appearance in a single panel of 52 Week 52 where it resembled the pre-Crisis Earth-Two, where a newspaper article says that this world's Superman
Superman
Superman is a fictional comic book superhero appearing in publications by DC Comics, widely considered to be an American cultural icon. Created by American writer Jerry Siegel and Canadian-born American artist Joe Shuster in 1932 while both were living in Cleveland, Ohio, and sold to Detective...

 and Power Girl
Power Girl
Power Girl is a DC Comics superheroine, making her first appearance in All Star Comics #58 ....

 are missing. The Flashes of New Earth (Jay Garrick and Wally West
Wally West
The Flash is a fictional character, a superhero that appears in comic books published by DC Comics. He is the first Kid Flash and the third Flash....

) briefly glimpsed this world with Robin and Huntress in action (during their travel with the Cosmic Treadmill as shown in Justice Society (vol. 3) #11) and Monarch
Monarch (comics)
Monarch is the name of three fictional DC Comics supervillains. The first Monarch is Hank Hall, formerly Hawk, who later renames himself Extant for the Zero Hour crossover. The second Monarch is Nathaniel Adam, a U.S. Army Captain. The third Monarch is Captain Atom, a former superhero...

 selected Jay Garrick of this Earth (amongst others) in a Multiversal arena tournament
Countdown: Arena
Countdown: Arena is a four-issue American comic book mini-series published by DC Comics. Written by Keith Champagne with art by Scott McDaniel, that ran for four weeks in December 2007....

.
Based on comments by 52 co-writer Grant Morrison
Grant Morrison
Grant Morrison is a Scottish comic book writer, playwright and occultist. He is known for his nonlinear narratives and counter-cultural leanings, as well as his successful runs on titles like Animal Man, Doom Patrol, JLA, The Invisibles, New X-Men, Fantastic Four, All-Star Superman, and...

, this alternate universe is not the pre-Crisis Earth-Two.

This separation between the pre-Crisis Earth-Two and post-Crisis Earth-2 is formally established in Justice Society Vol 3 Annual 1 (2008) entitled "Earth-2", where the New Earth Power Girl arrives on post-Crisis Earth-2. Thinking that she has had her most longing desire fulfilled of "returning home" to her long destroyed source reality of pre-Crisis Earth-Two somehow by Gog, Power Girl crash lands unconscious on the closest parallel of the current 52 Multiverse, post-Crisis Earth-2, which appears similar to the pre-Crisis Earth-Two. She is found by the post-Crisis Earth-2 Huntress, who thinks her to be her long-missing best friend, the Power Girl native to this world. In this new reality, the Justice Society of America has merged with Infinity, Inc. and is now known as Justice Society Infinity. Initially, Power Girl believes she has returned home, until the missing post-Crisis Earth-2 Power Girl reappears and declares that the other Power Girl is an impostor and has caused the disappearance of the post-Crisis Earth-2 Superman which results in the post-Crisis Earth-2 Power Girl and the Justice Society Infinity to go after the New Earth Power Girl.

The Power Girl of New Earth recruits the post-Crisis Earth-2 Michael Holt, who is a physics professor and father and has never become a costumed hero, to help her return to her source Earth. Holt constructs a device similar to the Cosmic treadmill
Cosmic treadmill
The cosmic treadmill is a fictional time travel device in the DC Comics universe. The treadmill first appears in The Flash #125 written by John Broome.-Origins:The treadmill was first seen in The Flash #125 written by John Broome...

 used by Barry Allen to open a portal to New Earth. The Power Girl of New Earth returns home, followed by the Justice Society Infinity, who kidnap her and take her back to post-Crisis Earth-2. During the confrontation, Green Lantern
Alan Scott
Alan Scott is a fictional character, a superhero in the and the first superhero to bear the name Green Lantern.-Publication history:The original Green Lantern was created by young struggling artist Martin Nodell, who was inspired by the sight of a New York Subway employee waving a red lantern to...

 and Jade
Jade (comics)
Jade is a fictional character, a superheroine in the . Known affectionately as "Jennie" or "Jen", she is the daughter of Alan Scott, the Golden Age Green Lantern. Her mother is Rose Canton, the Golden Age villain known as Thorn...

 are initially confused when they see each other, as the post-Crisis Earth-2 Jade's father, Alan Scott, is dead, and New Earth's Jade is also dead. The JSI interrogate Power Girl for information on the post-Crisis Earth-2 Superman's whereabouts. The post-Crisis Earth-2 Power Girl assumes that the Superman the New Earth Power Girl said was dead was the post-Crisis Earth-2 Superman (rather than Kal-L who was killed by Superboy-Prime
Superboy-Prime
Superboy-Prime, also known as Superman-Prime, or simply Prime, is a DC Comics superhero turned supervillain, and one of several alternate Supermen. The character first appeared in DC Comics Presents #87 , and was created by Elliot S...

) and that the New Earth Power Girl had killed him. The Justice Society of New Earth arrives to stop her torture.
Starman reveals that the re-creation of the Multiverse also lead to the creation of a Power Girl and Superman native to this new universe, post-Crisis Earth-2 and that the post-Crisis Earth-2 Superman is still alive. The Power Girl of New Earth then returns home along with her Justice Society but with no apology from her counterpart nor from the post-Crisis Earth-2 Huntress for their actions against her.
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