The Avatar movie, directed by James Cameron, was relesed in 2D for DVD and Blu-Ray and it recorded high sales even since the first day. Also, Avatar manage to beat the Blu-Ray sales record, according to the Hollywood Reporter.
In total, 4 million units were sold, out of which 1.5 million units were Blu-Ray. The preceding record was held by The Dark Knight
And It looks like the sales earnings will increase the following days when Avatar will be available in stores world wide.
A 3D version on Blu-Ray will be released sometime next year.