While The Marvel Cinematic Universe runs the box office, hip-hop and Marvel comics go way back.
The name comes from a Marvel villain named Dr. Doom. His signature mask was based on the Fantastic Four baddie.
The Puerto Rican lyricist got his name from Marvel vigilante Frank Castle aka The Punisher.
The Mississippi rapper got his name from the father of Avenger Bruce Banner (aka The Incredible Hulk) in Marvel comics.
While she reps Brooklyn by way of South Africa, Jean Grae's name is a shout-out to super mutant Jean Grey from the X-Men comics. She transforms into the nearly invincible Phoenix, not a bad choice to model a stage name after.