An original plot for the film included the Penguin and Mr. Freeze joining forces to freeze Gotham City. Christopher Lloyd had been considered for the role of Penguin.
Christopher Lloyd was considered for the role of the scarecrow.
Felicity Dahl had wanted Christopher Lloyd to play the role of Grandpa Joe.
Christopher Lloyd turned down the role of Dr. Larry Arbogast when he heard Hulk Hogan turned down the lead role.
Christopher Lloyd was briefly considered for the role of Stanley Spadowski before their first choice, Michael Richards, was hired.
Did you know that Christopher Lloyd was not the only choice for these movies? (click to learn more)