"Scrat rules the world," said Chris Aronson, head of distribution for Fox, referring to the films' rat-squirrel mascot, whose wordless, futile pursuit of a nut is a mainstay of the movies. The "Ice Age" franchise has now surpassed $2.2 billion worldwide, and the studio expects "Continental Drift" to equal the global total of the last installment, 2009's "Dawn of the Dinosaurs," which took in $886.7 million.
