After the success of the Avatar production thanks to 3D and that all the films released in this format have achieved an excellent box office, there will be no American blockbuster that does not premiere in this new format.
Thus, the new and last Harry Potter movie, which will be released in two parts, will also be released in 3D to take advantage of the commercial pull of this and, let it be said, because 3D tickets are more expensive and there is more income.
Harry Potter and the Deathly Hallows will be released on November 19, the first part, and on July 15, 2011, the second.
In short, 3D cinema will be a fad or not, but that, at present, it is very profitable, no one can deny it.