By Jessica HerndonSuperheroes continue to defeat their foes at the box office. Disney's ( DIS) Thor: The Dark World, earning $86.1 million, dominated the weekend box office as it opened domestically at No. 1, according to studio estimates Sunday. Starring Chris Hemsworth, the Marvel superhero sequel earned $109.4 million when it opened internationally last weekend and brought in $180.1 million globally. Overall, it has grossed $327 million worldwide. In limited theaters Thursday evening, Thor: The Dark World brought in $7.1 million overnight. Surpassing the ticket sales of Thor, which scored $65.7 million when it opened in May 2011, Thor: The Dark World marks a record for a Disney November opening, topping the $70.5 million The Incredibles earned in 2004. Paramount's ( VIA) hidden-camera comedy Jackass Presents: Bad Grandpa held the second-place slot at the box office for the second successive weekend, earning $11.3 million during its third weekend, with a domestic total reaching more than $78 million. Relativity Media's 3-D animated movie Free Birds, soared into third place with $11.1 million in its second weekend. CBS Films' ( CBS) Last Vegas, featuring an all-star cast including Michael Douglas, Robert De Niro, Morgan Freeman and Kevin Kline, took fourth place in its second weekend. Last weekend's box office champ, the sci-fi Ender's Game, starring Harrison Ford, Asa Butterfield and Viola Davis, dropped to fifth place in its second weekend. Expanding to 1,144 theaters in its fourth week, possible Oscar contender 12 Years a Slave brought in an impressive $6.6 million over the weekend at No. 7.