Question:  Where did an American animated television series based on the fictional Marvel Comics superhero team known as the Avengers, who had an American voice actor and former stand-up comedian voice some characters premiere?
Sentence (from "The Avengers: Earth's Mightiest Heroes"): The show debuted both on Disney XD and online in the fall of 2010, starting with a 20-part micro-series.
Relevant evidence: No