Teenage Mutant Ninja Turtles: Mutant Mayhem (dir. Jeff Rowe).

[It] resets the once ubiquitous comic book and toy franchise aimed at kids back to its basic elements. As the title strongly suggests, the computer-animated superhero adventure focuses on the mutations of its characters while also highlighting them as immature teens and outsiders done in a flat animated style in the vein of the Spider-Verse films.