Get Teenage Mutant Ninja Turtles: Mutant Mayhem on Digital today! After years of hiding, the Turtle brothers set out to gain acceptance as normal teenagers and take on an army of mutants in this hilarious action-packed adventure! Buy or Rent Teenage Mutant Ninja Turtles: Mutant Mayhem on Digital today and get over 40 minutes of bonus content when you buy on Digital. Available at participating retailers. Rated PG. From Paramount Pictures. Also, Let's Talk about Legacy Heroes! From Green Lantern and Flash to Miles Morals as Spider-Man...When a new hero takes on the mantle of an existing hero, it's a Legacy. There's Nothing Wrong with Legacy Characters, but at times they can be frustrating.