Update: this code is not working anymore.
If you have a Discover Card, you can get a free movie rental code from any Redbox location, when you use the code KJXMT3 and your Discover Card at checkout. To use the code you will need to visit your local Redbox location, select “Rent with Promo Code,” enter code, select movie and use your Discover card to complete the check out process.
If this code doesn’t work, try these other codes. Remember each code can only be used once per card.
DVDATWAG (Walgreens locations)