'Thor' Makes Thundering Debut at Box Office

"Thor" shows off his strength at North American box office. The superhero movie lands at the first place by grossing approximately $66 million. Costing about $150 million to produce, the film received a "B plus" rating from CinemaScore. Meanwhile, Justin Lin-directed "Fast Five" makes a stop at number two. The last week champion now drops to the runner-up position with an estimated $32.5 million.