Doctor Doom is a Marvel Comics character.
Doctor Victor Von Doom ( or simply Doctor Doom ) is a fictional supervillain appearing in American comic books published by Marvel Comics . The son of Romani witch Cynthia Von Doom , Doctor Doom traditionally has been the archenemy of the Fantastic Four , and the leader of the fictional nation of Latveria . 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 . Marvel Comics . Marvel counts among its characters such well-known superheroes as Iron Man , Captain America , Hulk , Thor , Doctor Strange , Spider-Man , Deadpool , Wolverine , Daredevil , Ms. Marvel and Ant-Man , such teams as the Avengers , the Guardians of the Galaxy , the Inhumans , the Fantastic Four , and the X-Men , and antagonists such as Doctor Doom , Red Skull , Green Goblin , Thanos , Ultron , Doctor Octopus , Magneto , Venom and Loki .