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.

First Steps introduces the world to Mister Fantastic, Invisible Woman, Human Torch and The Thing, but there's one other character of importance.

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

In a 1982 arc by John Byrne, Franklin gets frustrated trying to solve a Rubik’s Cube and uses his powers to age himself into an adult body, though he couldn’t actually gain more emotional maturity. He winds up going back to being a kid, placing restrictions on his own abilities to allow him to have something of a normal childhood.

First Steps director Matt Shakman addresses a big Sue Storm moment in the movie's final act and reveals original plans for Franklin Richards' Marvel Cinematic Universe's introduction.

Franklin Richards isn't just another superhero offspring; he's one of the most powerful characters ever created in the Marvel Universe.

First Steps introduces plenty of characters to the MCU, but its strongest one isn't Galactus or Franklin Richards.

First Steps" has a thrilling ending that teases Dr. Doom and where the MCU goes from here in "Avengers: Doomsday."

First Steps playing in many theaters across the globe, we're explaining how the movie's final act plays out and what you can expect when Galactus sets his sights on