The first Joker movie was radically dark, and was really closer to a psychology thriller than a superhero movie. But it worked, and was a welcome breath of fresh air for fans and critics alike. The sequel,

Folie à Deux, sees Joaquin Phoenix return as the famous crime prince and Batman villain. But this time, he’s not alone as the sequel adds Harley Quinn, played by pop superstar and decorated actor Lady Gaga,

It’s very simple, you see: in Joker: Folie à Deux, Lady Gaga is playing Harley Quinn, but not the same Harley Quinn as Margot Robbie’s Harley Quinn from Suicide Squad, which starred a different Joker than Joker: Folie à Deux ‘s Joker, and The Suicide Squad. Like I said: simple.

Joker 2 will present a wildly different Harley Quinn than fans are used to, which has naturally left the fandom divided.

Joker: Folie À Deux director Todd Phillips emphasizes the differences between Harley Quinn and Lady Gaga's Lee Quinzel.

Folie à Deux film continues the story of Arthur Fleck, introducing Harley Quinn into his chaotic world. However, this version of Harley, portrayed by Lady Gaga, will differ markedly from traditional depictions.

Aug. 19 (UPI) -- A new poster for Joker: Folie à Deux was released on Monday, teasing the upcoming film's Oct. 4 premiere date. The poster shows Harleen Quinzel, better known as Harley Quinn, (Lady Gaga) and Joker ( Joaquin Phoenix) staring into one another's eyes. The couple is shown with blood splattered across their faces.

Lady Gaga's take on Harley Quinn will be different to the character we know and love from DC Comics, says Joker: Folie à Deux director Todd Phillips. Gaga is playing Lee in the film, a version of Harley,