It's the final showdown. It's a family feud of epic proportions. It's the finale of the explosive, action-packed series from Marc Ellerby (Doctor Who)! It's . . . Rick and Morty: Ricklemania #4, sucka! Fueled by money, fame, and a wealth of merchandising opportunities, Rick Sanchez turns on his own grandchildren. As Morty and Summer take on their grandfather's wrestling wits to try to snap Rick out of his ego trip, Jerry takes a bold but ill-advised stance against his new employer in an attempt to break free from his contractual obligations. Can Morty and Summer save Rick from himself? Can Jerry escape from his new contract? And who is this shadowy figure from Rick's past?!