April will see the Xbox 360 version of Activision's Marvel: Ultimate Alliance boosted by download content.
Eight new playable characters are being introduced via a Hero pack and a Villain pack, X-Men crew members Cyclops and Nightcrawler being joined by Venom, Magneto, Sabretooth, Hawkeye, Doctor Doom and irascible green giant The Incredible Hulk.
New achievements are additionally included in the download content.
You'll be able to purchase the packs individually for 500 Microsoft Points apiece or get them in a combined pack for 800 Microsoft Points.