Tripwire Interactive is dialing the chaos up to eleven with the official launch trailer for Killing Floor 3, and it’s everything fans of the franchise could’ve hoped for—and then some. Ahead of its July 24 global release, the trailer gives us a blood-soaked final look at the relentless action, upgraded firepower, and grotesque new Zeds that are about to make your co-op squad scream for backup. In true Killing Floor fashion, the trailer is a non-stop showcase of gore and gunplay, featuring returning fan-favorite Mr. Foster alongside the Nightfall crew as they rip through waves of mutated horrors. New weapons?…