Rocket powered

We've got even more Marvel casting news today. This time from Comingsoon.net

Following rumors late last week, Marvel has officially confirmed a new addition to the cast of James Gunn's Guardians of the Galaxy: Bradley Cooper is set to voice Rocket Raccoon!

"Rocket has been genetically and mechanically altered," Marvel Studios' President Kevin Feige said of the character in a recent interview. "He's an experiment from one part of the galaxy."

Cooper, recently nominated for an Academy Award for his performance in Silver Linings Playbook, joins Chris Pratt, Zoe Saldana, Dave Bautista, Lee Pace, Michael Rooker, Karen Gillan, Djimon Hounsou, Benicio del Toro, John C. Reilly, Glenn Close, Vin Diesel and Gregg Henry in the sci-fi adventure, set to hit theaters August 1, 2014.