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.

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.

Paul Walter Hauser plays the underground villain Mole Man, who plays a minor — but important — role in “Fantastic Four.”