Usually when a rumor is debunked, it's one that's made such waves that the debunking was absolutely essential. Perhaps that is indeed the case with the rumor concerning 'Thor 2's villain, but I guess I completely missed it. Apparently there were murmurs that Thanos, Marvel's death-courting super-baddie, was going to be the next foe for the God of Thunder to grapple with once he returned to Asgard…