By Harry Rutter Joker fans are going wild following the release of the film’s upcoming second instalment after they “weren’t sure what to expect”. The trailer for Joker: Folie A Deux dropped on Wednesday and stars Lady Gaga as Harley Quinn and Joaquin Phoenix in his Oscar-winning role as the titular deranged villain. The Todd Phillips-directed sequel is a musical fantasia which follows Arthur Fleck known as the Joker and Quinn as they fall in love at Gotham City’s Arkham Asylum. Racking up millions of views all over YouTube, Facebook, Instagram and X, formally Twitter, it’s safe to say there’s…