I saw on swCollector.com that Wal-Mart has the exclusive comic packs available for a price of $9.88. It can be shipped for an additional $4.75, or you can use their site to store feature and save on the shipping.

Credit to swCollector:
http://www.swcollector.com/

Link to Wal-Mart page:
http://www.walmart.com/search/search...c+pack&ic=24_0