Below you can check out the official synopsis for Teenage Mutant Ninja Turtles: Out of the Shadows, which mentions Shredder, Bebop, Rocksteady and Krang.
TMNT 2 has a June 3, 2016 release.
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 Superstar Stephen “Sheamus” Farrelly), to unleash a diabolical plan to take over the world. As the Turtles prepare to take on Shredder and his new crew, they find themselves facing an even greater evil with similar intentions: the notorious Krang.
Director: David Green
Cast: Megan Fox, Will Arnett, Stephen Amell, Tyler Perry, Noel Fisher, Jeremy Howard, Pete Ploszek, Alan Ritchson, Brian Tee, Stephen "Sheamus" Farrelly, Gary Anthony Williams
Produced by: Michael Bay, Andrew Form, Brad Fuller, Galen Walker, Scott Mednick
Written by: Josh Appelbaum & André Nemec