cited regular comic book illustration as "very, very overpainted, lavish illustrations in every panel just didn't work. It hampers the storytelling. It does everything wrong. It's very difficult to have any enthusiasm about it after that." in a way of expressing why he rejected the drawing technique since it's not his signature rendering. Sequel During the 2017 San Diego Comic-Con, Morrison said that a sequel to the Arkham Asylum graphic novel is in the works, tentatively titled Arkham Asylum 2. Comic book artist Chris Burnham, who collaborated with Morrison in Batman Incorporated, is attached to work on the project. Described as a Luc Besson-esque thriller, the sequel will take place in the future timeline Morrison created where Damian Wayne, Batman's son, has grown up to become an adult Batman of his own. While the graphic novel is described as a 120-page effort, further details or a release date have yet to be announced. In October 2020, Morrison stated that the sequel is currently on hold due to their involvement on the Brave New World television series, but said that 26 pages were already written and they expressed interest in resuming the work. Morrison also comments that the sequel will have a different vibe than the Arkham Asylum graphic novel, feeling more like a work of Philip K. Dick. In other media In the film Batman Begins (2005), Jonathan Crane's entrance to the Arkham Asylum's cellar with Rachel Dawes mirrors the Joker's own entrance with Batman in the novel. Heath Ledger's interpretation of the Joker in the 2008 sequel The Dark Knight was heavily influenced by Arkham Asylum: A Serious House on Serious Earth. Ledger was given a copy of the novel as a reference for preparation, which he "tried really hard to read and put it down". During an interview with ToonZone in October 2015, Batman: Bad Blood director Jay Oliva expressed his interest in making an animated film adaptation of Arkham Asylum: A Serious House on Serious Earth, but Oliva departed from Warner Bros. Animation in 2017 before such adaptation could be made. The game Batman: Arkham Asylum is loosely based on the comic, which follows a similar premise and also shares the same name. Although it was deemed an "ungamable graphic novel" by creative director Sefton Hill, its tone and psychological edge were a primary influence on the game. Additionally, the new warden of Arkham, Quincy Sharp, believes