Director Todd Phillips ' sequel Joker: Folie à Deux ends on a pointedly tragic note (for more on that, read our full ending explainer ), but its final frame also contains confirmation of a new, chilling beginning — and the identity of the real Joker.

Where is Gotham City located? While widely believed to be somewhere on the eastern seaboard of the United States, the exact state that Batman’s hometown is in has remained a matter of debate over the years through its various and often conflicting depictions in DC Comics,

The sequel, starring Joaquin Phoenix and Lady Gaga, is the first Hollywood comic book film to get such a low grade.

"Joker: Folie à Deux" is dancing into theaters today. The highly anticipated sequel, which returns Joaquin Phoenix to the grimy world of Gotham City and adds Lady Gaga as his Harley Quinn, is a very different movie than the $1 billion-grossing original.

Todd Phillips' sequel to his 2019 vigilante extravaganza, starring Joaquin Phoenix and Lady Gaga, has so little energy that it sags off the screen.

"Joker: Folie à Deux" is the sequel to Todd Phillips' gritty 2019 thriller "Joker," which grossed over $1 billion and earned Joaquin Phoenix an Oscar for best actor for his portrayal of the legendary DC Comics villain.