With a prepaid Mastercard, you don’t have to worry about the hassle or headaches of spending too much.A Smarter Way to Pay with MoneyCredit cards often get you into debt you can’t easily resolve.

MasterCard Worldwide on July 7 unveiled “Get Loot,” a promotion offering new prepaid customers free movie tickets and opportunities to win a trip to a 2012 movie premiere. Customers who sign up and ...