Megan Fox and the four CGI ninja turtles are back with new adventures. In the TMNT sequel Stephen Amell (Arrow) joins the cast as Casey Jones, and Brian Tee replaces Tohoru Masamune as the Shredder. Cast Megan Fox as April O’Neil, Stephen Amell as Casey Jones, Alan Ritchson as Raphael, William Fichtner as Eric Sacks,…