LOS ANGELES (AP) -- It's hammer time at your local multiplex. "Thor: The Dark World" opens at number-one this weekend. The Thor sequel takes in more than 86 million dollars -- well above the original in May of 2011. It's also Disney's best November opening. The hidden-camera comedy "Bad Grandpa" holds at second. The animated family flick "Free Birds" was third this weekend, followed by "Last Vegas." "Ender's Game" drops to fifth place.