Looking at Frank Miller's iconic Dark Knight Returns comic, Doom: The Dark Ages director says "I'd love to make a Slayer like that".
The DCU has already stepped quite far out of the shadow of the DCEU, making several surprising decisions about its world, policies, and releases.
The creative director for Doom (2016) and Doom Eternal, Hugo Martin, is the game director of Doom: The Dark Ages - and he’s a big Batman fan.