Groot's home planet is no more! But who or what were the mysterious invaders that decimated it? And what life is still lurking in the once lush forest? Groot and Mar-Vell will need to stay on their toes, as they're being stalked by Yondar the hunter!

Mar-Vell and Yondar have been captured by the monstrous Agz! But there's more to this deadly creature than Groot and his friends realize. Who is he? And why has he razed Groot's homeworld? Find out here!

It's the final battle between Mar-Vell and Agz, and it's not looking too good for the Kree hero. Will Groot finally accept his destiny and step up to be the hero he's meant to be?

An all-new story starring everyone's favorite tree Groot, taking place during his childhood living on Planet X Cosmic mastermind Dan Abnett returns to tell a new tale from the sapling days of everyone's favorite monosyllabic Guardian of the Galaxy: Groot! Years ago in the tranquil glades of Planet X, Baby Groot is enjoying a happy childhood with his friends. But his life is about to be thrown into terrifying turmoil by a band of intergalactic despoilers who are asset-stripping entire worlds and leaving them barren! Can the young Groot escape capture by these marauders? What is the origin of this deadly threat? Why have the trees of Planet X fallen silent? And which young legendary hero-in-the-making will come to Groot's aid?