Circle K is tying in to Marvel Studios’ May 5 theatrical release of Guardians of the Galaxy Vol. 2 with an exclusive overlay to a national sweepstakes from Mars Inc.’s Skittles and M&M's.

Mars Circle K 'Guardians of the Galaxy Vol. 2' WobblerCircle K shoppers enter daily from March 1 to April 30 by purchasing one qualifying Skittles or M&M’s SKU and submitting the code found on their receipt to a promotional website (winthegalaxy.com). The sweeps will award 500 winners with a $10 store or music gift card.

In stores, account-specific wobblers adjacent to M&M’s SKUs tout the sweeps as well as a “Buy one, get 2nd for $1” offer. A March 8 update posted across Circle K’s regional Facebook pages supports.

Mars’ national sweeps runs Feb. 15 through June 15 and awards 69,600 $9 and 6,100 $12 e-Movie Cash codes via TPG Rewards. Shoppers enter by purchasing a Skittles or M&M’s SKU of any size and uploading their receipt to skittlesmmssummerpromo.com by June 22. Participants can enter the sweeps daily and win up to five e-Movie Cash codes.

Circle K regularly partners with snack and confectionary manufacturers for sweepstakes and exclusive launch windows. Most recently, the convenience store chain enjoyed an exclusive launch window for a new flavor of PepsiCo’s Ruffles potato chips and a new product from Hershey Co.’s Jolly Rancher.