Oh boy... "BATUMAN!". I guess this is to make Batman appeal to kids and teenagers? Because I guess just being Batman isn't enough to do that now? I don't get it the appeal, but okay, whatever sells. Now I want a movie based on the Ninja Baseball Batman arcade game.
DC "Elseworlds" stories have been going on since the late '80s: Elseworlds - Wikipedia A Victorian-era Batman story (the first Elseworlds, Gotham by Gaslight) was recently adapted in animated form: This seems to be in that vein. What if [insert DC superhero here] lived in [insert historical time frame here]?
Alright, on a trailer dive, this one's a bit more out of left field: A trailer from Warner Japan indicates the Dark Knight may have actually time traveled for this one.