Groupon: FIVE Blockbuster Express Rentals for ONLY $2! This post may contain affiliate links. Please see the full disclosure policy here. Posted on March 21, 2011 Written by Mary Leave a Comment This hot deal is back again: Head over to Groupon to grab FIVE Blockbuster Express rentals for $2! **Choose Oklahoma City as your city** This is a NATIONAL DEAL that can be used anywhere !!