Guardians of the Galaxy was released in different formats.
Guardians of the Galaxy (film) . It was released in theaters on August 1 , 2014 in the United States in the 3D and IMAX 3D formats . The film became a critical and commercial success , grossing $ 773.3 million worldwide and becoming the highest-grossing superhero film of 2014 , as well as the third highest-grossing film in North America of 2014 .