Pat and Dal requested an image of Challengers from the outside, keeping the focus on their unique storefront design. It is worth noting that the selected image did have some post production work completed by artist Luke Smarto since all non-Marvel characters / advertising had to be removed. His photoshop skills are almost as good as his comic book art, but not quite.
Graham Crackers Comics (Loop)
Again, order directly through their websites or go to the stores to get your copies soon. Lots of fans are trying to collect as many covers as possible!