Josh Brolin, Julia Garner and more star in the trailer for the upcoming horror movie 'Weapons' from 'Barbarian' director Zach Cregger, in theaters Aug. 8

The first trailer for "Weapons," the new horror film from "Barbarian" director Zach Cregger starring Josh Brolin, has been unveiled. Brolin stars alongside Julia Garner and Alden Ehrenreich in Cregger's sophomore feature.

Julia Garner is caught in Zach Cregger's twisted trap of a horror film, "Weapons." The "Fantastic Four: First Steps" actress plays an elementary school teacher whose entire class, sans one student, is missing under eerie circumstances.