Soundgarden are offering up the unedited version of their new song, "Live to Rise" as a free download on iTunes for a limited time. The track appears on the forthcoming Avengers Assemble soundtrack which drops May 1st. While you're on iTunes you can also pre-order the soundtrack, which features Rise Against, Evanescence, and more.Soundgarden have been working on a full length new record which will see a release this fall.