Please be advised that Ubisoft has just published on the Marketplace the playable demo of Marvel Avengers: battle for Terra , the fighting game for Kinect that evolves the game mechanics already seen in PowerUp Heroes applying them to the pantheon of Marvel Superheroes. The demo is 600 MB and is as always available only to Gold users until next week, after which it will be downloadable by everyone: accodarne you can download from this page .