Mon, 10/07/2024 - 19:30 Gizmodo Christopher Nolan was purportedly the reason it didn't make it in—and it was no longer a problem by the time the Joker sequel was coming around. Tags dc universe, christopher nolan, DC Comics, joker, Joker: Folie a Deux, Warner Bros. Source Joker: Folie à Deux’s Ending Came From a Scrapped Idea for the First Film