Watch Mister Fantastic, the Invisible Woman, the Human Torch, and Thing as they battle some of their greatest foes, including Doctor Doom, Ronan the Accuser, the Multiple Man, and Mole Man in Fantastic Four: The World's Greatest Heroes!
She-Hulk uses her unique powers to escape the Mole Man's clutches!
The FF meet the mischievous Impossible Man.
The Fantastic Four have switched their superpowers!
Iron Man and the FF team up to take down Dr. Doom!
The FF are attacked by what appears to be Iron Man!
Sue and Johnny take on the annoying Impossible Man!
The evil Puppet Master uses the citizens of the city to fight Johnny, Ben and Sue!
Johnny is pursued by a strange fire beast!
The switched Fantastic Four take on a group of Doombots.
Sue tries to help the team, but can't quite figure out Johnny's flame powers!
The FF have their final showdown with Diablo - can they defeat him?
The NYPD uses Reed's own inventions against the FF!
Is someone controlling this old Iron Man armor?
The Fantastic Four help Namor against his enemy Attuma!