Iron Man's armor is a fictional powered exoskeleton appearing in American comic books published by Marvel comics and is worn by comic book superhero Tony Stark when he assumes the identity of Iron Man. The first armor (which in the story, was created by Stark and Ho Yinsen), was designed by artists Don Heck and Jack Kirby, and first appeared, along with Tony Stark, in Tales of Suspense #39 (March 1963).