Teenage Mutant Ninja Turtles: Mutant Mayhem definitely meshes generations of TMNT lore together and then subverts it all in a clever, dynamic way. It has something for everyone as director Jeff Rowe brings the Heroes in a Half Shell back to basics. Here, they're 15 year-olds who just want to come up to the surface and be accepted.
Source：https://www.cbr.com/tmnt-mutant-mayhem-biggest-plot-holes-unanswered-questions/
