First Steps' is as action-packed as any Marvel film, though a little less gory than its previous entries. Here's everything parents should know before taking their kids to see 'The Fantastic Four: First Steps.

First Steps gives a spectacular new story about Marvel's First Family with a bold, breathtaking superhero blockbuster.

First Steps premiered in theaters last week and kicks off Phase Six of the Marvel Cinematic Universe. It drops viewers into a retrofuturistic world where -- due to an accident that mutated them and gave them powers -- the heroes are Reed Richards/Mister Fantastic (Pedro Pascal),