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.