Director Zach Cregger is deliberately sidestepping the more outlandish elements of the Resident Evil universe for his upcoming film adaptation, aiming for a grounded and accessible horror experience. Cregger stated that while he enjoys the games, he wants to "limit some of the wild aspects" to ensure the movie appeals to both long-time fans and newcomers.
Cregger specifically cited the peculiar lore surrounding the Tyrants' trench coats as an example of what he intends to omit. In the games, these coats serve a functional purpose, helping to disguise mutations and, more critically, to suppress the Tyrants' uncontrolled transformations, preventing them from becoming even more dangerous "Super Tyrants." However, Cregger views this level of detail as unnecessary for a cinematic adaptation. "I’m not gonna have a gigantic jacked dude in a trench coat because I’m like, ‘Where did the coat come from? How did he get the coat?’" he explained. "The T-virus does all sorts of cool mutations that's enough."
This approach has drawn some criticism from fans who believe it demonstrates a lack of understanding of Resident Evil's intricate lore. Cregger, however, clarified that his decision stems from a desire to streamline the narrative for a film format, which has inherent time constraints and the need to onboard new audiences. He believes that the inherent mutations caused by the T-virus provide sufficient B.O.W. (Bio-Organic Weapon) horror without needing to delve into the more obscure in-universe explanations for character attire.
Cregger intends to keep the film's tone chaotic and primal, focusing on the immediate aftermath of an outbreak. He drew a parallel to Kane Parsons' approach with the recent Backrooms movie, which successfully incorporated fan-service elements for those familiar with the source material while remaining comprehensible for a general audience. For Resident Evil, Cregger wants the T-virus and its resulting mutations to be the primary source of the film's horror, rather than relying on deep cuts from the game's extensive mythology.
"In the world of this [film] where the outbreak just happened, I want to keep it chaotic, I want to keep it primal, and I want to just keep it just as grounded as I can," Cregger stated. "The T-virus has all kinds of cool and fun mutations—that is enough. So I'm limiting it there."