Trivia: Before deciding not to don the cape and cowl for a third time, Michael Keaton met with Joel Schumacher and declined to join the project after deciding that he did not like the direction in which Schumacher was looking to take the franchise.
Trivia: Rene Russo was originally cast to play criminal psychologist Dr. Chase Meridian when Michael Keaton was still attached to the project as Batman. However, when Keaton dropped out of the project and was replaced by Val Kilmer, Russo was deemed too old to play his love interest and was replaced by Nicole Kidman.
Trivia: When he practiced twirling his cane, Jim Carrey managed to break most of the furniture in his trailer.
Trivia: Mark Hamill was considered for the role of the Riddler. Hamill voiced the Joker in the Batman cartoons.
Trivia: At the time Sam Raimi was a popular "cult" director. When Tim Burton stepped down as director, he offered his services to the studio. He never got the job because the studio felt he wasn't a big enough name.
Trivia: Batman co-creator Bob Kane has said Val Kilmer was his favorite Batman actor.
Trivia: In the original Batman (1989), Harvey Dent was played by Billy Dee Williams. Williams accepted the role with the knowledge and expectation that Dent would eventually become Two-Face. Williams had a clause in his contract reserving that role in any sequels for him. Warner Bros. had to buy out his contract so that they could cast Tommy Lee Jones.
Trivia: Brad Dourif was considered for the role of the Riddler.
Trivia: Alec Baldwin was almost cast as Batman.
Answer: It's hard to say for certain. If Bruce had approved of the project, there would have been a lot more volunteers and oversight of its production, which would have alerted Bruce of the device's side effects, at which point he or one of his underlings would order its production to cease. Edward would still feel spurned and motivated to continue his work, but without the resources of Wayne Industries at his disposal, he may have a more difficult time seeing his plan through.
Phaneron