Reed Richards is the leader of the Fantastic Four, but there's more to Marvel's pliable hero - here's everything you need to know before seeing "First Steps."

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

Pedro Pascal as Reed Richards / Mister Fantastic in "The Fantastic Four: First Steps." Credit: Marvel Studios / 20th Century Studios First Steps functions both as an adaptation of a thus-far hard to translate roster (it's the fourth go-around for these characters since 1994),