Anne-Marie Cortez is a fictional mutant

Mutant (Marvel Comics)

In comic books published by Marvel Comics, a mutant is an organism who possesses a genetic trait called an X-gene that allows the mutant to naturally develop superhuman powers and abilities...

 character in the Marvel Comics

Marvel Comics

Marvel Worldwide, Inc., commonly referred to as Marvel Comics and formerly Marvel Publishing, Inc. and Marvel Comics Group, is an American company that publishes comic books and related media...

 Universe who first appeared in X-Men vol. 2, #1

Fictional character biography

Little is known of Anne-Marie Cortez apart from that she is the sister of Fabian Cortez

Fabian Cortez

Fabian Cortez is a fictional character, a mutant comic book supervillain from the Marvel Comics universe and an adversary of the X-Men. Created by writer Chris Claremont and writer/illustrator Jim Lee, he first appeared in X-Men #1 ....

, one of the better-known Acolytes

Acolytes (comics)

The Acolytes is a team of comic book mutant supervillains in the Marvel Comics universe. The Acolytes followed the principles of the mutant Magneto, particularly the mutant right of superiority over normal humans. Some members of the Acolytes even worshipped him with a religious fervor and regarded...

. She is among the first mutants to join Magneto as one of his Acolytes, but later dies when Asteroid M

Asteroid M

Utopia is the name of the sepratist mutant homeland created by the X-Men from the remains of Asteroid M which is the name of several fictional settings, each an asteroid converted by the mutant Magneto into his home/orbiting base, in the Marvel Comics Universe...

, the homebase of the Acolytes, crashes from orbit

Orbit

In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

.