The first stage shown off for Nickelodeon All-Star Brawl seems to be related to the Teenage Mutant Ninja Turtles . Though it could also just be a basic stage that's not related to any property. Each character is shown popping up on a rooftop location. In several shots, the characters are also battling across the stage, which means it will likely be playable. Next, is at least one stage based on Spongebob Squarepants . Early in the trailer, a few characters are fighting on a pirate ship. Later, t...