The original Batman v Superman

Just watching this movie for the first time and I started picturing Bruce Wayne and Clark Kent competing for the same female without realizing their mutual secret identities.

Ha. I came on here to post the exact same thing. This is why I'll miss the message boards...

Christopher Reeve's Superman & Michael Keaton's Batman Share A Universe - Theory Explained

https://screenrant.com/christopher-reeve-superman-michael-keaton-batman-same-universe-theory/

Fans of Christopher Reeve's Superman and Michael Keaton's Batman believe that they share a universe, and Superman '78 teases this possibility.