A deep and astonishingly authentic streak of melancholy runs through this fifth sequel to the 1976 sleeper that made both struggling actor Sylvester Stallone and hard-luck slugger Rocky Balboa international stars. It's been 30 years since Rocky Balboa (Stallone), a none-too-bright palooka from run-down South Philadelphia, got his chance to be a contender. He became famous, got rich, married mousy local girl Adrian, had a son, lost everything and took on a steady stream of bigger, meaner, younger opponents because that's what fighters do — they fight. But now he's retired and has lost his beloved Adrian to cancer. Lonely and rudderless, Rocky visits her grave, schmooz...