Activision has announced that Marvel: Ultimate Alliance Heroes and Villains, an expansion pack for Marvel: Ultimate Alliance, has been released via the Xbox Live Marketplace online gaming service in three packs. The Hero Pack and Villain Pack are 500 Microsoft points ($6.25) and the Combined Hero and Villain Pack is 800 Microsoft points ($10). Heroes and Villains gamer pic packs are also available for 80 Microsoft points each ($1). Marvel: Ultimate Alliance Heroes and Villains features eight new playable characters: The Incredible Hulk, Magneto, Hawkeye, Sabretooth, Doctor Doom, Cyclops, Nightcrawler and Venom, each complete with new signature powers, skins, dialog, conversations and achievement points.