After months and years of speculation, James Gunn's Superman-slash-kickoff to a brand new cinematic DC Universe just opened to $122 million across its first three days at the North American box office, according to Warners Bros. estimates. That figure marks WB's second movie to cross $100 million this year, and only the third to do […] The post Superman Box Office Asks How High Can This Thing Fly? appeared first on Den of Geek.