Shutter Island followed up its $40.2 million box-office take last weekend with a $22.2 million weekend, enough to maintain its position atop the chart. A Couple of Dicks Cop Out came in second at $18.6 million, followed by The Crazies, which made $16.5 million. Avatar, which simply will not go away, came in fourth with $14 million and Percy Jackson and the Olympians: The Lightning Thief rounded out the top five with $9.8 million. [HR]