New Teenage Mutant Ninja Turtles movie to be written by Colin, Casey Jost August 2, 2021 by: eenage Mutant Ninja Turtles movie and they've tapped Casey and Colin Jost with writing the screenplay. Paramount relaunched the franchise back in 2014 with Teenage Mutant Ninja Turtles, which was followed by a sequel in 2016, Teenage Mutant Ninja Turtles: Out of the Shadows. While the first film was reasonably successful, the sequel was a bit of a box-office bomb, which led to Paramount scrapping the planned third installment. While it's not known exactly what this new live-action film will be about beyond revolving around the turtles, Michael Bay, Andrew Form, Brad Fuller, Scott Mednick, and Galen Walker have all returned as producers. Colin Jost is best known as the head writer of