Joker: Folie À Deux Official Trailer

Joker: Folie À Deux finds Arthur Fleck institutionalized at Arkham awaiting trial for his crimes as Joker. While struggling with his dual identity, Arthur not only stumbles upon true love, but also finds the music that's always been inside him. 

When you’re smiling, the whole world smiles with you. Joker: Folie À Deux – only in theaters and IMAX, October 4.