Make sure to stay for an absolute great end credit scene as well. (slickstermagazine.com)
It's primarily been wielded by Adam Warlock, a character teased in one end credits scene of Guardians of the Galaxy Vol. (etonline.com)
Finally, we previously revealed that that the final end credits scene was lifted from dailies the Russo Brothers shot for Captain America: Civil War. (io9.gizmodo.com)