Joker 2: Fan theory reveals MAJOR SPOILER

Todd Phillips' 'Joker: Folie a Deux' sequel, featuring Joaquin Phoenix and Lady Gaga, teases a complex plot in surreal settings, sparking fan theories and excitement ahead of its October 4 release. Fans on social media have been buzzing with excitement over a jaw-dropping theory that promises to add an "INSANE" twist to the narrative.