Opening in 31 markets, Cinderella ruled the international box office this weekend with an estimated $62.4 million.According to Disney, that's up 17 percent from Oz The Great and Powerful, and down 30 percent from Maleficent. It's worth noting here that those movies were in 3D, whereas Cinderella is not.Cinderella's biggest markets were China ($25 million) and Russia ($7.3 million).