1. Thor: The Dark World - $ 86.1 million
2. Bad Grandpa - $ 11.3 million
3. Free Birds - $ 11.2 million
4. Last Vegas - $ 11.1 million
5. Ender's Game - $ 10.3 million

Thor: The Dark World hammered the competition at the weekend box office. The superhero sequel earned $86 million in its debut.

Bad Grandpa remained in second with $11.3 million. The comedy's three-week total stands at $78.7 million.

Free Birds climbed from fourth to third with $11.2 million.

Last Vegas dropped from third to fourth with $11.1 million.

And last week's top movie, Ender's Game, fell to fifth with $10.3 million.