Sony is already a few weeks deep into production on their Spider-Man spinoff, Venom, which stars Tom Hardy as the title character. In a behind-the-scenes video, Hardy’s personal trainer teases an incredibly powerful supervillain in Carnage.

“What the world is going to see is one of the darkest, most powerful supervillains that Marvel has ever created. It’s going to be carnage.”

It’s still unclear who will portray Carnage (read about the character) and his human persona, Cletus Kasady, although Riz Ahmed was rumored for the role.

Targeting a release next October, Zombieland‘s Ruben Fleischer is directing the film also stars Michelle Williams, Scott Haze and Jenny Slate.

[Related] Will Venom Feature the Five Founding Symbiotes?!

Here’s the full video in which the trainer gleams about Hardy’s work ethic: