Avengers and Guardians of the Galaxy from Marvel Cinematic Universe HD Wallpaper

A collage of Marvel superheroes from Avengers and Guardians of the Galaxy. Prominent characters include Iron Man, Captain America, Thor, Hulk, Spider-Man, Black Widow, Doctor Strange, Gamora, Star-Lord, and Groot. They are depicted in a dynamic, action-oriented composition against a colorful, cosmic background.