Update: Threads-advocate James Gunn has returned to the social media platform to clarify that the "sequel" isn't Superman 2, but the same sequel-adjacent project he's previously discussed: "This is the same movie. Superman has a major role. It's not "Superman 2."'

James Gunn has just dropped a major hint that a Superman sequel is officially in the works. In his recent post on Threads, Gunn shared that he's working on pres