How Franklin Richards, the power cosmic and Doctor Doom's appearance in "The Fantastic Four: First Steps" credit scene affects "Avengers: Doomsday."

First Steps. The Fantastic Four: First Steps has achieved lift off in theaters – and I imagine you have plenty of questions about the Marvel movie's ending and its post-credits scenes. Below, I'll do my best to answer your biggest questions about the first Marvel Phase 6 project,

The Fantastic Four: First Steps director Matt Shakman has revealed that a major change regarding Franklin Richards was made from the original script.

"We thought, 'Well, let's just start this thing off on a completely new foot,'" director Matt Shakman tells EW.

First Steps” stormed the domestic box office, topping superhero competitor “Superman” to finish No. 1 with $118 million.