Things You'll Need
Instructions
Log in to your Xbox Live account.
Browse to the Games section of the Xbox Live Marketplace. Select "Add-Ons &Extras," "Add-Ons" and then "Titles A-Z."
Scroll through the titles until you see "Marvel Ultimate Alliance." Select the "Playable Hero Pack" and press "Confirm Download" to spend 480 Microsoft Points to download Nightcrawler.