Teenage Mutant Ninja Turtles: Mutant Mayhem successfully revived interest in the TMNT franchise, and now Seth Rogen, who helped write and produce the film, has given a very exciting update on its sequel. After saving the city from Superfly in the 2023 film, Leonardo, Donatello, Michelangelo, and Raphael finished their story and appeared to be set for a peaceful, normal life.