Armor is a Marvel Comics superhero known for her ability to generate a powerful, protective suit of armor around her body. Created by writer Joss Whedon and artist John Cassaday, Armor made her first appearance in Astonishing X-Men #4 in 2004.

Armor, also known as Hisako Ichiki, is a young mutant from Japan who possesses the power to generate a psionic exoskeleton around her body. This armor provides her with enhanced strength, durability, and the ability to project energy blasts. Armor's suit can also transform into a variety of forms, including a giant mecha suit and a dragon-like creature.

Armor's backstory and relationships with other Marvel Comics characters have been explored in various story arcs. She has been portrayed as a member of the X-Men, working alongside other mutant heroes to defend the world from various threats. Armor has also been shown to have a close relationship with her mentor, Wolverine, who has helped her to develop her powers and combat skills.

In recent years, Armor has become a more prominent and popular character in Marvel Comics, thanks in part to her appearances in various X-Men series and video games. She has also been featured in other media, including the Marvel Future Fight mobile game.

Overall, Armor has become a beloved and powerful Marvel Comics character, known for her ability to generate a protective suit of armor and her relationships with other mutants. Her unique powers and backstory have made her an important and meaningful part of the X-Men universe.