STAFF PICK: Whether you need to complete your collection of Supergirl comics or you're looking for the latest issue of Spawn, the place to find it is Fantasy Comics. A lot of comic-book stores have opened in Tucson over the last two decades, but none have had the staying power of this joint, which features the widest selection of new comics, available on the racks every Wednesday night, as well as the largest, best-organized back-issue stock in town.