And the only way he’ll spare Earth is if Reed and Sue give him their newborn son, Franklin.Start the day smarter. Get all the news you need in your inbox each morning. Let’s dig into that cataclysmic ending,

The Fantastic Four: First Steps follows Marvel's First Family during a pivotal time in their lives: The pregnancy and birth of Reed and Sue's baby son, Franklin. That also coincided with the most significant challenge the Four had yet faced: Their planet served up as a snack for the intimidating Galactus.

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.