'Guardians of the Galaxy' Trailer: Gamora Asks Star Lord Why He's Risking His Life To Defend The Galaxy (WATCH)

Marvel has released the second full-length trailer of their live-action "Guardians of the Galaxy" film.

The trailer feature Gamora (Zoe Saldana) speaking to Star Lord (Chris Pratt) who is attempting to rally The Guardians against the impending evil that will destroy the world. You can check out the trailer below.

Director James Gunn has been sharing behind-the-scenes details on his official Facebook page regarding his all-star cast. Gunn recently shared the following post of Diesel's last day of work on the film:

Vin Diesel just finished his final session as Groot (well, for 2014 at least). All of us are astounded that one man can bring so much amazingness to a character who can only say three words. We don't affect Vin's voice at all and he sounds like an otherworldly tree! Every "I am Groot," every grunt and shriek and whine and holler is filled with heart and humor and passion.

When I returned from the session, I told one of our producers, Victoria Alonso, that I think we could audition every single person in the world for Groot, and Vin Diesel would still be the best. I know directors almost always praise their stars - and, God knows, I've been fortunate with the entire cast of Guardians of the Galaxy - but I've never been more stunned by an actor able to bring so much more to a role than I originally thought possible. Rocket may be the heart of GotG, but Groot is its soul.

"Guardians of the Galaxy" stars Saldana, Pratt, Diesel, Bradley Cooper, Glenn Close, Josh Brolin, Dave Bautista, John C. Reily and more. The film is slated to debut in theaters on Aug 1.

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