Marvel has released some Guardians of the Galaxy behind the scenes set pictures and they're amazing!

While in the comics, Captain America is said to be better than him in a fight, the box office battle is going to be different as experts predict that Guardians of the Galaxy would be the best selling Marvel movie this year. Will their prediction happen? Let's find out when the movie launches.

Guardians of the Galaxy is directed by James Gunn and stars Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel as Groot, Bradley Cooper as Rocket, Lee Pace, Michael Rooker, Karen Gillan, Djimon Hounsou, with John C. Reilly, Glenn Close as Nova Prime Rael and Benicio Del Toro as The Collector.

Guardians of the Galaxy opens August 1, 2014, The Avengers: Age of Ultron on May 1, 2015, Ant-Man on July 17, 2015, Captain America 3 on May 6 2016, and unannounced films for July 8 2016 and May 5 2017.