Michelangelo, Donatello, Leonardo, as well as Raphael are back to battle larger, badder bad guys, alongside April O'Neil (Megan Fox), Vern Fenwick (Will Arnett), as well as a novice: the hockey-masked vigilante Casey Jones (Stephen Amell). After supervillain Shredder gets away guardianship, he signs up with forces with mad researcher Baxter Stockman (Tyler Perry) as well as two dimwitted henchmen, Bebop (Gary Anthony Williams) as well as Rocksteady (WWE Superstar Stephen "Sheamus" Farrelly), to let loose a wicked plan to take over the globe. As the Turtles prepare to take on Shredder as well as his brand-new crew, they find themselves encountering an also better wickedness with comparable purposes: the well-known Krang.