Also, Doom wants to revive the most powerful Scarlet Witch of all. You might have guessed by now: It's Wanda (Elizabeth Olsen). "Doctor Strange in the Multiverse of Madness" implies that Wanda dies, though we never see her body. That's where Franklin comes in, as Doom wants his abilities to revive Wanda.

This story discusses major plot developments, including the ending and post-credits scenes, in “The Fantastic Four: First Steps,” currently playing in theaters. From the very first scene, the question of what will become of the child of Reed Richards (Pedro Pascal) and Sue Storm (Vanessa Kirby) looms over “The Fantastic Four: First Steps.

In Marvel Comics, Doom’s fixation on Franklin is legendary. He views the boy’s near-limitless powers as the key to creating and ruling Battleworld, a twisted reality of his own making as seen in Secret Wars.