The Transformers juggernaut rolls on. The Revenge of the Fallen sequel is about to become the biggest grossing film of 2009 worldwide, reports Variety. After only 2 weeks, it's grossed $448 million around the globe, just shy of the $469 million haul by Angels & Demons, which opened in May. It's on track to take over the No. 1 spot by Friday. The film also should pass Up as the No. 1 domestic earner (currently $255 million) around the same time.