Folie à Deux character go, so she created an accompanying 13-track album titled Harlequin. Joker: Folie à Deux follows Phoenix's return as Arthur Fleck, a.k.a the Joker, who is now confined in Arkham Asylum.

Joker” is a hard act to follow. Todd Phillips’ dark, Scorsese-inspired character study about the Batman villain made over a billion dollars at the box office, won Joaquin Phoenix his first Oscar, dominated the cultural discourse for months and created a new movie landmark.