UPDATE: Meet the Guardians in New "Guardians of the Galaxy" Clips

Less than 48 hours following the debut of the initial "Guardians of the Galaxy" trailer -- which reportedly received 88,000 social media mentions in the first 12 hours after its debut -- Marvel has released a new clip focused on team member Rocket Raccoon. Its the first (albeit brief) footage of the CGI-rendered character speaking, with the voice of two-time Academy Award-nominated actor Bradley Cooper.

"Rocket is the heart of the movie in a lot of ways," director James Gunn says in the teaser of the character created by Bill Mantlo and Keith Giffen. "Rocket has some real anger issues," Cooper adds.

UPDATE 2/20/2014 11:56 AM PT: Marvel has released the second in the series of "Meet the Guardians" YouTube videos, this time focusing on Vin Diesel as Groot. However, the video doesn't contain Diesel -- either in real life or as CGI-Groot -- saying the character's signature catchphrase: "I am Groot."

"Groot is one of the strangest characters Marvel's ever attempted to put on film," Diesel said in the clip. "Breathing life into a character, it's great."

UPDATE 2/20/2014 12:42 PM PT: The next "Meet the Guardians" video has been released, focusing on Dave Bautista as Drax.

"He's basically living solely for revenge," Bautista said. "Drax is a warrior. He's a very emotional character, and he's dealing with a lot of pain. But I love Drax. I kind of feel like Drax is now mine."

UPDATE 2/20/2014 12:50 PM PT: The fourth "Meet the Guardians" video features Zoe Saldana talking her role as Gamora. If this pace keeps up, a Star-Lord-centric video -- the fifth and final piece of the main "Guardians of the Galaxy" cast -- should be released soon.

"Gamora is this stealth assassin," Saldana says. "She's relentless, he's lethal, she's rough. She can kill you, but has a heart of gold, and I like that about her."

UPDATE 2/20/2014 1:05 PM PT: The fifth -- and likely final -- "Meet the Guardians" video wraps up coverage for the quintet with Chris Pratt as Star-Lord.

"Peter Quill's not a superhero," Pratt says. "He's just a guy who uses his cunning and his charm to get him out of situations."

WATCH: Marvel's First "Guardians of the Galaxy" Trailer

Directed by Gunn and opening Aug. 1, "Guardians of the Galaxy" also stars Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Djimon Hounsou, Lee Pace, Bradley Cooper, Michael Rooker, Benicio Del Toro, Karen Gillan, Glenn Close and John C. Reilly.

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