The Joker: Folie á Deux trailer has a song in its heart

Joaquin Phoenix as JokerScreenshot: Warner Bros. Pictures/YouTubeGet your jazz hands ready, people. Joker 2, which premieres in theaters October 4, finally has a trailer. The buzzy sequel to the 2019 Batman offshoot is subtitled Folie á Deux, which is a term for shared psychosis, or when two people share the same delusion. As two of our most gonzo actors working today, there are few performers better suited to portray such a relationship than Lady Gaga and Joaquin Phoenix. And few directors coul