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 The series was also the first in the continuity of the shared DC animated universe, spawning further animated TV series, comic books and video games with most of the same creative talent. Its ratings success and critical acclaim led the series to spawn two feature films: "" (released to theaters in 1993) and "" (a direct-to-video release in 1998). The series took influence from Tim Burton's live-action films, "Batman" (1989) and "Batman Returns" (1992), and the acclaimed "Superman" theatrical cartoons produced by Fleischer Studios in the early 1940s. In designing the series, creators Bruce Timm and Eric Radomski emulated the