Are movie theaters the new black? “ The Devil Wears Prada 2 ” certainly made a compelling case that cinemas are once again en vogue after the long-anticipated sequel opened to $77 million in North America and $233 million globally over the weekend. Those ticket sales rank as the second-best worldwide start of the year, ahead of the Michael Jackson biopic “Michael” ($217 million) and behind Universal’s animated “The Super Mario Galaxy Movie” ($372.5 million). Initial revenues were also way above the domestic start of 2006’s “The Devil Wears Prada,” which launched to $27.5 million, not adjusted for inflation. Disney’s investment in more “Prada” — the studio spent roughly $100 million to make and reportedly $80 million to market the movie — is already proving to be money well spent. The follow-up is expected to outgross the original’s lifetime haul of $326 million by the end of the month. Popular on Variety “This is a sensational opening for a comedy-drama,” says David A.…