David Hon, poses for a photo in front of a model of Optimus Prime, the iconic hero of Hasbro's toy line, during the preview event at the annual Transformers Fan Convention in Providence, Rhode Island, June 29, 2007. "Transformers," Based on the 1980s toys and cartoon series of the same name, debuts worldwide next Tuesday. Its U.S. release is scheduled for July 4.  (Xinhua/Reuters Photo) Photo Gallery>>>