Regal Cinemas Mobile Coupon: Save $3 off Popcorn! February 8, 2014 by Rebekah The links in the post below may be affiliate links. Read the full disclosure.Print Email Are you heading out to the movies this weekend? Well if you are you’ll want to make sure to have this Regal Cinemas Coupon ready, so that you can save $3 off your popcorn! Just pull it up on your mobile device and show it when you place your order.