They’re earth’s mightiest heroes – in space, and beyond! And the Guardians are adding a new member to their team that will make them mightier, as one of Marvel’s best-loved heroes will make the biggest impact when he debuts in All-New Guardians of the Galaxy #12.

The Guardians have been tasked with some wacky and big adventures while doing the Grandmaster’s bidding, which includes stealing from The Collector – and Star-Lord even accidently destroyed one of his favorite mix-tapes. Now, as they prepare for their Legacy arc “The Infinity Quest,” they’ll have to team up with the group that has been on their tails – the Nova Corps – as well as one ex-Avenger if they want to keep the universe safe.

Who exactly is this Avenger? One of the five Marvel superstars on this cover should give you a hint…

Written by Gerry Duggan with art and cover by Rod Reis, don’t miss the story when it hits comic shops on October 18^th!