The 1987 Shredder and Krang recruit the 2012 Bebop and Rocksteady, finding them better than their own incompetent counterparts.
Did You Know?
The real reason the 1987 turtles can't fight the 2012 Bebop and Rocksteady is that at the time of the original cartoon, violence was still banned from children's animated cartoons. However the 1987 turtles were already seen using there weapons against other 2012 villains in episode Trans-Dimensional Turtles. See more