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Joe Kelly was a writer on Fantastic Four: World's Greatest Heroes, creative consultant and writer on The Avengers: Earth's Mightiest Heroes, supervising producer and writer on Ultimate Spider-Man, and executive producer and writer on Avengers Assemble.
He has written for Marvel Comics, DC Comics, and Image Comics. Other notable television and film works include the Ben 10 franchise, Generator Rex, Teenage Mutant Ninja Turtles, X-Men: Legends, and Superman vs. The Elite.