Not much has been revealed about the plot, though it seems most likely that the romance between Joker and Harley will be a big factor in Joker: Folie à Deux. Harleen Quinzel, aka Harley Quinn, a psychiatrist working at Arkham Asylum who falls in love with the face-painting murderer. It was previously revealed that Oscar winner Lady Gaga will co-star as a new incarnation of Dr.
Phoenix will be just one of the two lead stars of Joker: Folie à Deux. More to come.' Lady Gaga Joins Joaquin Phoenix in the Joker Sequel In the caption of the post, Phillips wrote, 'Oct. While he's surrounded by mysterious individuals holding umbrellas of different colors, the man they call Joker appears to be gleefully taking in the precipitation, perhaps just happy to be outside of Arkham Asylum's walls. The image reveals Phoenix's Arthur Fleck, sans makeup, standing out in the rain.
