Adult "Teenage Mutant Ninja Turtles" fans rejoice: A new live-action Turtles movie is in the works ... of "Teenage Mutant Ninja Turtles: The Last Ronin." And anyone who knows anything at all ...

Narrowly escaping the slaughter of her clan, a young ninja steals into the shadows. She is the last of her kind, and the dagger she wields is one of three mystical blades that can end Lord Oda's rule.