Producer Galen Walker confirmed the new TMNT movie trailer news on Facebook:
Ok- Cool Beans folks! the new "Ninja Turtles" Teaser will make it's debut in front of the New Captain America Film- April 4th. We are ready and prepared for lift off! Been a long haul.
In addition, the following image accompanied the post:
"Teenage Mutant Ninja Turtles" has an August 8, 2014 release directed by Jonathan Liebesman, produced by Michael Bay and starring Megan Fox as April O'Neil, William Fichtner as Shredder, Pete Ploszek as Leonardo, Alan Ritchson as Raphael, Jeremy Howard as Donatello, Noel Fisher as Michelangelo, Will Arnett as Venon Fenwick, and Whoopi Goldberg as Bernadette Thompson.