Captain America Civil War 4k Mondo Steelbook is a limited edition Blu-ray release of the superhero film. The Steelbook edition features exclusive artwork and packaging, and the movie is presented in 4K Ultra HD resolution. The film follows the conflict between Captain America and Iron Man as they lead opposing factions of superheroes in a battle over government oversight. The action-packed adventure is set in the Marvel Cinematic Universe and features a star-studded cast.