It may be a mess, but it's an extremely good-natured mess, full of humor and warmth. More surprising still, the very elements that seemed most likely to ruin the movie-the tree-man, the talking raccoon-account for much of its improbable charm.. Guardians of the Galaxy does the impossible. Through dazzle and dumb luck, it turns the cliches of comic-book films on their idiot heads and hits you like an exhilarating blast of fun-fun-fun.. Gunn appears to remember the high of certain kinds of moviego...