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Witness the Fantastic Four's newest adventures with the animated series "Fantastic Four: World's Greatest Heroes." Stream Episode 23: "Johnny Storm and the Potion of Fire" right now on Marvel.com!
During a confrontation with Diablo, Johnny is exposed to a potion that makes him more powerful. Unfortunately, the potion also begins to turn him evil.
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Stream all available episodes of Fantastic Four: World's Greatest Heroes here, with new episodes appearing every Wednesday.
Download episodes of "X-Men: Evolution", "Wolverine and the X-Men" and "Fantastic Four: World's Greatest Heroes" now on iTunes!
Check out the official Fantastic Four Shop for the best mighty Marvel merchandise!
