Kathryn Hahn

In $121M debut, 'Thor: Ragnarok' and Disney flex their might

"Thor: Ragnarok" thundered to one of the year's best box-office debuts with an estimated $121 million domestically, proving again — just as its flexing its muscle — the might of the Walt Disney Co.

The robust debut for Marvel's third "Thor" movie was a welcome shot in the arm for Hollywood and theater owners who have suffered through a terrible October at the box office. "Thor: Ragnarok" also bucked the trend of diminishing returns for sequels. The 2011 "Thor" debuted with $65.7 million; 2013's "Thor: The Dark World" opened with $85.7 million.

"In this business, it's not often you see the second and third installments in...

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