Heroes Pack is a DLC for MUA. It adds a small variety of hero characters to the game. As of December 2009, the DLC was removed from the Xbox LIVE Marketplace by Activision, meaning the only way to play as the downloadable characters is to purchase the Gold Edition or the Platinum Hits version.
Heroes Pack adds the following characters to the game:
Gold Edition and Platinum HitsEdit
The Gold Edition was released for the Xbox 360 in May 2007 which includes the standard game bundled with all downloadable content. The Platinum Hits version was released for the Xbox 360 in September 2007. The set includes all the Gold Edition of the game and a bonus DVD.