A good chunk of Doomsday could focus on a clash between Avengers and X-Men with RDJ’s Doom cackling in the background, with a kidnapped Franklin by his side. The premise certainly gives the Fantastic Four a reason to breach their multiversal walls and zip over to 616 to meet the New Avengers.

First Steps below. The plot of The Fantastic Four: First Steps revolves around Marvel’s First Family’s dire encounter with Galactus, the Devourer of Worlds (Ralph Ineson). Doomed to feel an everlasting hunger that can only be appeased by the total consumption of worlds brimming with life,

In Marvel Comics, Franklin Richards is an immensely powerful mutant who can alter reality itself. This comes from the cosmic ray-mutated genes he inherited from his parents. "The Fantastic Four: First Steps" depicts Franklin in the same way; his powerful potential is the driving force of the movie.