Lady Gaga and Joaquin Phoenix’s joker sequel has released a teaser trailer…In the trailer, Joaquin Joker is in prison. He meets Lady Gaga’s Harley Quinn in a hallway and she pretends to shoot herself in the head with her hand. The two decide to escape together. They are seen dancing in the moonlight to “What the World Needs Now Is Love.” The musical movie hits theaters Oct 4th!