Collects Marvel Universe Guardians of the Galaxy (2015) #9-12.

The Guardians' latest adventures in the final frontier of space! When Rocket is abducted and whisked away to a far-off planet, it turns out he may not be quite as one-of-a-kind as he thought! An old enemy returns — one the Guardians thought they'd buried in the past for good! And he's got an entire living planet under his thrall — a planet that's reverting the Guardians to their past selves! Drax: arena fighter! Rocket: feral beast! Gamora: follower of Thanos! The Guardians saddle up to the biggest rivalry in the galaxy — but when the game in town is the Collector vs. the Grandmaster, can therereally be any winners? Super-teams collide as the Guardians meet the Inhumans!