Are you sitting down? You might want to be seated when you read this. You should also be warned of potential spoilers for Guardians of the Galaxy Vol. 2, so if you’re the sort of Marvel fan who likes to go in knowing as little as possible (how do you live without the internet??), you might not want to read on. But if you’re curious to learn more about Baby Groot, James Gunn has revealed something very interesting, and a little sad?