Spider-Man - Season 5 Episode 11 Secret Wars (3): Doom With great power comes great responsibility
Overview: Dr. Doom reverts The Thing to his human form and holds the other heroes prisoner. In an attempt to free his friends, The Thing tells Dr. Doom about the Beyonder. Doom then steals the Beyonder's powers, but they begin manifesting themself in the form of creatures from Dr. Doom's dreams.