Robert Downey Jr.'s Doctor Doom is after Franklin Richards for a major reason, and the new Fantastic Four member should be key to Avengers: Doomsday.

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.

First Steps launches Phase 6 of the Marvel Cinematic Universe, many fans assumed Pedro Pascal ’s Reed Richards would become one of its central figures. But according to a recent Variety report, Avengers: Doomsday may not spotlight him as heavily as expected.