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.

Curious why Franklin Richards plays such a key role in The Fantastic Four: First Steps mid-credits scene and how it connects to the Multiverse saga? The powerful child holds abilities that could reshape reality,

First Steps. In a mid-credits scene he was seen allowing Sue and Richard's son Franklin Richards touching his face. But what is the larger impact of this scene leading up to Avengers Doomsday?