Adil El Arbi and Bilall Fallah told Insider they're unsure if Keaton returns first in "The Flash" or their movie, as it doesn't have a release date.

MICHAEL KEATON In Talks To Return As BATMAN Again In The Flash Movie + I Need To Address Plot Leaks. We break down the news that Michael Keaton could be coming back as Batman in the upcoming Flash ...

While he may not be the most comic book-accurate depiction of Batman, Michael Keaton's portrayal of the superhero is widely believed to be the finest ever captured for live-action cinema. Even decades ...