“Shrek the Third” was DreamWorks Animation’s first threequel — the studio’s inaugural third installment in a franchise. Its $121.6 million open in May 2007 remains the biggest weekend ever for a DWA release. (2004’s “Shrek 2”, with $108 million, is in second place.) “Shrek the Third” earned $813M worldwide, not quite the $929M global gross […]