http://www.ign.com/articles/2014/12/07/bebop-and-rocksteady-to-appear-in-teenage-mutant-ninja-turtles-2

Two long-time Teenage Mutant Ninja Turtles adversaries have been confirmed for the upcoming sequel to the hit 2014 film.

Bebop and Rocksteady will appear in Teenage Mutant Ninja Turtles 2 after originally being considered for the first movie, according to Omelete (via The Wrap).

“We can say that Bebop and Rocksteady are in the film, and Casey Jones is a character that we love and we’re trying to fit him in as well,” producer Andrew Form told the publication.

Form and co-producer Brad Fuller also confirmed that Megan Fox and Will Arnett would return as April O’Neil and Vernon Fenwick, respectively, as well as the series' Big Bad, Shredder.

Recently, it was reported Earth to Echo director Dave Green is in talks to direct Teenage Mutant Ninja Turtles 2. The sequel is expected to hit theaters on June 3, 2016.