Ultron

Summary

Ultron is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Roy Thomas and artist John Buscema, the character first made a cameo appearance in The Avengers #54 (1968) as the Crimson Cowl, before being fully introduced in The Avengers #55 (1968) as Ultron-5, the Living Automaton. He has since endured as one of the greatest enemies of the superhero team the Avengers, since he is an artificial intelligence created by the founding Avenger Hank Pym.