Avengers Initiative uses ISO-8 (Isotope-8) as virtual currency, and you'll need it if you intend to purchase medkits, rage packs, costumes and other useful items that'll give Hulk an edge against his enemies. You can always by for real cash in stor and the prices are:
Pack of 10,000 ISO-8: $0.99
Pack of 52,000 ISO-8: $4.99
Pack of 240,000 ISO-8: $19.99
Pack of 400,000 ISO-8: $29.99
Pack of 800,000 ISO-8: $49.99
Eiyuden Chronicles: Hundred Heroes is designed to bring players a modern take on a classic JRPG experience. Get ready to lead 100+ playable characters through a war-torn world only you can save.