TMNT: Out of the Shadows | Clip: “Initiating Mutation“ | Paramount Pictures International

Shredder gives Dr. Baxter Stockman the key to initiating mutation. Michelangelo, Donatello, Leonardo, and Raphael return to theaters this summer to battle bigger, badder villains, alongside April O’Neil (Megan Fox), Vern Fenwick (Will Arnett), and a newcomer: the hockey-masked vigilante Casey Jones (Stephen Amell). After supervillain Shredder escapes custody, he joins forces with mad scientist Baxter Stockman (Tyler Perry) and two dimwitted henchmen, Bebop (Gary Anthony Williams) and Rocksteady (WWE Supers