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: Arkham VR butler Alfred that there is an urgent situation that requires his attention. Activating a secret entrance to the Batcave beneath his manor, Wayne puts on his Batsuit and gadgets to become Batman. In the Batcave, Alfred informs Batman that both Robin and Nightwing have disappeared and he has been unable to contact them. Batman activates Nightwing's tracker and locates him in Central Gotham. Heading out in the Batmobile, Batman arrives to find Nightwing dead in an alley. His investigation reveals that despite his nearly unrivaled training and skills, Nightwing was defeated in combat and had his neck snapped. His investigation