Earlier today, James Gunn tweeted out a pick of the second most mysterious character on the set of Marvel’s Guardians of the Galaxy. No, it isn’t Thanos; it’s Michael Rooker as Yondu. He’s been talked about a lot, but we don’t really know what role he’ll play on the team and we also haven’t seen an official pick of him until now… sort of. Gunn gave us an image that we can definitely tell is Rooker, but is in complete silhouette, so we can’t actually see any details…