With the possible exception of James Dean, no actor left a bigger impact on the world of film in fewer onscreen appearances than Bruce Lee. While Lee headlined only four martial arts movies during his lifetime, those films — especially the fourth, Enter the Dragon, which Lee finished only a few months before his death — became so phenomenally popular around the world that they essentially created an international market for kung fu cinema that had not existed before. But there was a problem: Lee had shown there was an audience for his movies just as he passed away. That left a legion of fans h…