It didn't break the opening day record, but The Avengers still got off to one of the best starts ever on Friday. The movie earned $80.5 million, which is the second-highest opening day ever behind last Summer's Harry Potter and the Deathly Hallows Part 2 ($91.1 million). More impressively, when you take midnight grosses out The Avengers scored $61.8 million during the day on Friday, which obliterates Spider-Man 3's previous record of $49.8 million.Since midnight grosses were only a small pa...