Cinemark they have a coupon for a free small popcorn with the purchase of a large fountain or frozen drink. Click here for the coupon. This coupon expires July 25, 2012.
If you are going to see a movie at Regal Cinemas they have a mobile coupon for $2 off any popcorn. Click here to have the coupon sent to your mobile phone. This coupon is valid until July 22, 2012.