James Gunn has done the impossible: the former Troma director has recaptured the gleeful joy of old-school summer blockbusters and packaged it for modern sensibilities. Gunn’s Guardians of the Galaxy is a giddy, punk rock-infused work of pop art, blissfully aware of how pulpy it is—and damn proud of it. The director caught lightning in a bottle with this film, and it’s the most fun you’ll have at the movies all summer...