CANTON, MASS. — Dunkin’ Donuts is teaming with Marvel Studios in support of “Captain America: The First Avenger,” marking the first movie partnership for Dunkin’ Donuts. As part of the venture, Dunkin’ will offer new Captain America-themed menu items, including the Captain America Donut (the brand’s first-ever star-shaped donut), the Stars & Stripes Donut, and Captain America Coolatta (a cherry flavored frozen beverage). The company also has launched the “Unlock the Lab” instant win game and sweepstakes with a chance to win a trip to a Marvel movie premiere in 2012.