MORE: Lady Gaga shares new photo as Harley Quinn in 'Joker: Folie à Deux' “Joker: Folie à Deux” arrives in theaters on Oct. 4. Sponsored Content by Taboola ...

But the video shows Gaga filming a scene for Joker: Folie a Deux,, opens new tab a movie musical and sequel starring Joaquin Phoenix as the Joker, the infamous DC Comics villain.

Folie a Deux', directed by Todd Phillips, got an 11-minute standing ovation at the ongoing edition of the Venice Film ...