This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on May 4, 2015Vote In Round 3 Of April Madness: The “Avengers” EditionWho is the greatest Avenger of them all?by colleensteinawayCommunity ContributorLinkFacebookPinterestTwitterMail Voting for Round 3 will end on Sunday, May 10, 2015.Check out Round 2 and Round 1.