Doctor Doom is a fictional character.
Doctor Victor Von Doom ( or simply Doctor Doom ) is a fictional supervillain appearing in American comic books published by Marvel Comics . Though normally portrayed as a supervillain , since Civil War II in 2016 , Doom has been depicted as a superhero , taking up the mantle of Iron Man from Tony Stark , and going on to join the Avengers . IGN 's list of the Top 100 Comic Book Villains of All Time ranked Doctor Doom as # 3 . A supervillain is a variant of the villainous stock character archetype commonly found in American comic books , sometimes possessing superhuman abilities .