Batman: The Dark Knight Returns (film) arrested. Injured, Batman returns to the Batcave with Kelley, and allows her to become his protégée in spite of protests from his butler, Alfred Pennyworth. Batman has Kelley disguise herself as a Mutant, and she lures the gang to a sewer outlet at the West River. At the Gotham City Police Department, the Mutant leader murders the mayor during negotiations. Commissioner Gordon deliberately releases the leader, providing an escape from the building, which leads to the sewer outlet. Before the amassed Mutants, Batman fights the leader in a mud pit; the mud slows the leader, removing his physical advantage, and
Batman: The Animated Series actively involved in the management of Wayne Enterprises, without jeopardizing his secret identity. For example: in the episode "Eternal Youth", Bruce is shown angrily ordering one of his directors to cancel a deal with a timber company in the Amazon rainforest that had been made behind his back, threatening him with termination upon failure to comply. Kevin Conroy used different voices to distinguish between his portrayal of Bruce Wayne and Batman, a tactic used previously by Michael Keaton in Tim Burton's live-action films. Conroy based his dual-voice performance on the 1934 film adaptation of "The Scarlet Pimpernel". The series also