In this video says, you can download Injustice Red Son Pack DLC free on your Xbox 360 game. So to download this Injustice Red Son Pack DLC, you can visit following official web site,
http://injusticeredsonpackfree.blogspot.com/
After you read the instruction on the web site and get your Injustice Red Son Pack DLC , you can visit your Xbox Live Market place and redeem your own DLC . After redeem complete you will able unlock and download your Injustice Red Son Pack free on your Xbox 360. So if you have any more problems about this tutorial, you can comment about it on our web site. Thank you guys.