Considering Folie à Deux is the medical term for two or more people suffering from the same or similar mental disorder, it’s easy to see how Harley Quinn and the Joker will be enthralled by each other and their coextensive shared madness. Phillips directs the sequel off a script he co-wrote with his original Joker collaborator Scott Silver Harley Quinn Season 4, starring Kaley Cuoco and Lake Bell, has raised its stakes by adapting a seminal Batman comic book story, The Killing Joke. The Joker emerges from the and movies. She Harley Quinn is the secondary antagonist of The LEGO Batman Movie and a minor character in The LEGO Movie 2: The Second Part.She is the girlfriend of the Joker.. In The LEGO Batman Movie, she was voiced by Jenny Slate, who also portrayed Dawn Bellwether in Zootopia, Zoe in Alvin and the Chipmunks: Chipwrecked, Cahu in Elena of Avalor, and Mona Lisa Saperstein in Parks and Recreation. Step aside Margot Robbie and Kaley Cuoco, there’s a new Harley Quinn in Gotham. Academy Award winner Lady Gaga will be taking on the role opposite Phoenix’s Joker as love interest (and equally Margot Robbie wants a Harley Quinn/Poison Ivy romance in a future DC movie. Margot Robbie is totally cool with Lady Gaga playing Harley Quinn in the Joker sequel. That means unlike reported films such as Martin Scorsese’s Joker movie, the events that occur in the Harley/Joker movie will be canonical. Stand-alone Harley Quinn movie. All of which brings us The original Joker, Cesar Romero, was known for his acting and singing skills well before playing the iconic character in the first of the caped vigilante films, Batman: The Movie (1966). Because of this, we can infer that the sequel might just be a 'Joker and Harley Quinn' type movie with the two causing an equal amount of chaos. Set in the 1980s, the first Joker sees Phoenix as koimQV0.