The Super Hero Squad Show
Hulk Talk Smack!
S1 E4:
During a chaotic battle with Klaw & Screaming Mimi, a fractal's cosmic power turns the Hulk into the Gray Hulk. While Falcon & the Wasp babysit this unlikable, brainy Hulk, the Squad chase down the Lethal Legion in a battle to save Super Hero City.
Starring
A.J. Buckley