Weekend box office report 3 - 5 August 2018: Mission: Impossible - Fallout cruised along at the top charts easily in its second week as newcomers Christopher Robin, The Spy Who Dumped Me, and The Darkest Minds all fell short of expectations. Meanwhile, in its 25th week on the charts, Marvel's Black Panther has managed to become only the 3rd film in history to cross the $700 mark domestically.