Combining superpowers with Marvel Studios, Dr Pepper today announced its sponsorship of “Thor,” the highly anticipated feature film, with the launch of its Quest for the Can consumer promotion. Beginning March 31, Dr Pepper fans across the country can unleash the power of Thor and win the ultimate Super Hero powers of flight, speed and strength by locating one of the limited-edition Dr Pepper Hammer cans or caps and entering the winning code at DrPepper.com.