DC's trading card history stretches back to the 1966 Batman TV craze, when Topps and O-Pee-Chee flooded corner stores with wax packs. The modern era spans Skybox's foil-heavy 1990s Justice League sets, Inkworks horror runs, and Upper Deck's ePack releases. 72 sets — 7,923 cards, 24,789 variants and counting.