Marvel Legendary - Dark City ExpansionNew Expansion Features: Expansion consists of 350 all new playable cards, Color Rule sheet. All New cards consist of 17 heroes, 6 new villain groups, 5 new Masterminds & 2 new Henchmen groups! All original art now featuring 4 pieces of unique art per hero!! New Bystander game mechanic. This is not a stand alone prioduct, core set is required for gameplay Players create their own powerful combos on the fly, combining their heroes awesome abilities to