Zack Snyder feels that a live-action adaptation of The Dark Knight Returns is still possible and that Batman v Superman: Dawn of Justice didn’t negate that as an option.
I don’t think this movie negates a Dark Knight Returns movie because I think Dark Knight Returns probably, in my opinion, is like, the greatest comic book ever written.
During the event, Snyder touched on the influence of The Dark Knight Returns.
The Dark Knight Returns takes place ten years after an aging Batman has retired.