Have Kevin Spacey and Bryan Singer's real life antics made it harder to revisit this movie?
I mean, in the case for Kevin Spacey, let's just say that he makes Lex Luthor look like Clark Kent in comparison!
https://www.looper.com/232914/why-hollywood-wont-cast-these-superhero-movie-stars-anymore/
https://villains.fandom.com/wiki/Lex_Luthor_(Superman_Returns)