With “Guardians of the Galaxy Vol. 2” opening in theaters last Friday, it’s fitting that Breckenridge Brewery’s annual Denver Comic Con beer is being called “I am Brewt.” The name — a play on the tree-like protagonist Groot’s catchphrase of “I am Groot” — was the winning entry from Rhiana Elizabeth Henry in the sixth annual beer-naming contest that takes place just prior to the start of the convention. “It’s a pretty fun little project we’ve been doing for years.