Teenage Mutant Ninja Turtles: Mutant Mayhem is the latest take on the venerable 1980s franchise, giving the series a more youthful vibe and tone. It not only introduces new versions of the titular terrapins but other iconic mutant animals from throughout the franchise's history. Their presence serves as exciting fanservice, but it could end up being a narrative issue in the next movie.
Source：https://www.cbr.com/tmnt-mutant-mayhem-sequel-shredder-problem/
