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
The Lego Batman Movie being footage from a live-action shot of Adam West's depiction of Batman in the 1960s "Batman" series and a picture of Batman's suit from "Batman and Robin". Climactic events from past Batman films including the Joker have been mentioned, including "that time with the parade and the Prince music" (1989's "Batman") and "the two boats" ("The Dark Knight"). Alongside Joker, the main antagonist of the film's story, and Superman, who features heavily and has notable links to the Christopher Reeve films "Superman" (1978) and its sequel "Superman II" (1980), many other DC characters, both villains associated with Batman and other