Shroom Wars: The Koopa Strikes Back is an upcoming Mario spin-off film. It will be the sequel to 'Shroom Wars and will release sometime this year. This will have more Mario and Star Wars elements and charaters than the first movie. 3 more sequels were planned: Return of the Plumber, The Toad Force Awakens and the Last Koopa. 3 prequels were planned as well: The Phantom Turtle, Attack of the Cosmic Marios and Revenge of the Koopa.