A plumber named Mario travels through an underground labyrinth with his brother Luigi, trying to save a captured princess.
A group of intergalactic criminals must pull together to stop a fanatical warrior with plans to purge the universe.
The Guardians struggle to keep together as a team while dealing with their personal family issues, notably Star-Lord's encounter with his father, the ambitious celestial being Ego.
Still reeling from the loss of Gamora, Peter Quill rallies his team to defend the universe and one of their own - a mission that could mean the end of the Guardians if not successful.
