.hack//The Movie 3D is scheduled to be released in January 2012, in Japan. Hopefully this means that toward the end of 2012 or beginning of 2013 it will be available on DVD and Blu-Ray. Use the link below to jump to the full article at AnimeNews Network.
http://www.animenewsnetwork.com/news/2011-08-23/hack/the-movie-to-open-in-3d-in-january