https://screenrant.com/flash-batman-keaton-affleck-spiderman-maguire-garfield-multiverse-beat/
If done in just the right way an earlier version of a Batman character can be brought back.
https://screenrant.com/flash-movie-michael-keaton-batman-return-director-response
https://www.digitalspy.com/movies/a37981769/the-flash-movie-first-look-michael-keaton-batman
Of course having the Michael-Keaton-Batman-return-in-the-Flash-movie has been generating a lot of buzz for quite a while now.
