Galactus has arrived, and he's ready to devour the world. A new Fantastic Four: First Steps trailer debuted on Wednesday and showed the havoc wrought by the movie's big — emphasis on big — bad. Galactus (Ralph Ineson) has thus far only been teased in promotional materials while his shiny herald,

Pedro Pascal, Vanessa Kirby, Joseph Quinn, and Ebon Moss-Bachrach star in "The Fantastic Four: First Steps," out July 25.

The Fantastic Four confront the towering Galactus in the final trailer for Marvel's upcoming superhero epic, "The Fantastic Four: First Steps." Pedro Pascal, Vanessa Kirby and more star.