Batman: The Ultimate Evil the project, allowing Vachss to take some creative liberties. At a party, Bruce Wayne meets Debra Kane, a caseworker with Child Protective Services. He asks to join her while she visits clients. She agrees and shows him the varying degrees of child abuse she encounters in the course of her job. Wanting to understand the factors behind child abuse, Bruce, as Batman, breaks into Hellgate Prison and talks with an informant who points him to a child pornography and prostitution ring. Bruce's butler Alfred Pennyworth reveals that Bruce's mother, Martha Wayne, had been secretly investigating a similar child prostitution ring,
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