The Guardians of the Galaxy trailer made a splash the other day and had the internet buzzing with anticipation. The only thing we didn’t get to see, err, hear was Bradley Cooper as the voice for Rocket Raccoon. Well, all that has changed with this new mini feature from Marvel showing off Bradley Cooper in the sound booth belting out a few line of dialogue. What did you guys think of the trailer, and what are your thoughts on the voice of Rocket Raccoon?