In a box office battle of the sequels, “The Devil Wears Prada 2” had the slight edge over “Mortal Kombat II” in North American theaters this weekend. According to studio estimates Sunday, “The Devil Wears Prada 2” earned a chart topping $43 million in its second weekend, while “Mortal Kombat II” took in $40 million in its first. This weekend had wide variety of newcomers playing in wide release, including the family-friendly whodunnit “The Sheep Detectives” and a James Cameron co-directed Billie Eilish concert film. But it was the holdover that triumphed. “The Devil Wears Prada 2,” which has grossed $433.2 million worldwide in its first 12 days in release, helped push The Walt Disney Studios over $2 billion globally for the year. It’s also surpassed the total grosses of the first film, which earned $327 million globally in 2006, not accounting for inflation.…