What to See This Weekend: Guardians Rule, Funk King Boogies

The best movie weekend of the summer is upon us! So buy yourself a day pass to the multiplex and relish the rousing biography of a music legend, a new sci-fi classic and an intimately focused drama with a devastating punch.   Get on Up Chadwick Boseman (Jackie Robinson in 42) makes playing The Hardest-Working Man in Show Business seem easy in this spectacular, funk-driven biography of James Brown. The soundtrack is the genuine Brown, but Boseman nails his Mashed …