Greta Gerwig's comedy is headed for a $155 million US opening, with "Oppenheimer" on $77 million. According to studio projections seen by The Hollywood Reporter, Greta Gerwig's film is heading for a $155 million domestic opening weekend, while Christopher Nolan's atomic bomb epic is set to take $77 million. That means the first outing in the "Mattel Cinematic Universe" will outstrip Nolan by more than $100 million. "Barbie" cost a reported $145 million to make, plus an estimated $100 million for its elaborate marketing campaign, while "Oppenheimer" reportedly cost $100 million. It's the first where one title has more than $100 million and another taken more than $50 million in the same three-day period, according to The Hollywood Reporter.

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Persons: Oppenheimer, Greta Gerwig's, Margot Robbie, Christopher, outstrip Nolan, Patty Jenkins, Barbie, Stephanie Keith, Insider's Chris Panella, you'll Organizations: Hollywood, Mattel, Warner Bros, Universal Pictures, National Association of Theater, Associated Press, Rotten Locations: Manhattan