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 reveals why Galactus wants Franklin Richards and his true power might tie into Doctor Doom's endgame.

While none of the previous onscreen adaptations of the Fantastic Four included the super-powered baby, director Matt Shakman tells Entertainment Weekly that it was always his plan to debut Franklin into the MCU.