Read More... "The Purge: Election Year" (Credit: Universal Pictures) Hollywood has come down with a bad case of sequelitis. This summer’s box office is down a hefty 22 percent from last year, dragged down by a glut of underperforming franchise misfires. These will include “X-Men: Apocalypse,” “Neighbors: Sorority Rising,” “Teenage Mutant Ninja Turtles: Out of the Ooze,” and “The Huntsman: Winter’s War,” all of which will significantly underperform their predecessors.