More set images from the filming of the upcoming DC sequel Joker: Folie à Deux have now emerged and tease the tragic journey of Lady Gaga’s Harley Quinn. Shared to social media, this latest look at the Joker follow-up shows that, much like their comic book counterparts, Quinn and Joker will be “crazy in love” in Joker: Folie à Deux, with a front page of Gotham Examiner revealing that Dr.