The exact date is not yet un-veiled.
Harry Potter and the Order of the Phoenix's book, video games, and movie have already come out.
it already has
It already has.
Erm...it is already out...
It is already out.
It's already out.
It already has come out. The 6th is coming out in January.
It is already out, and can be viewed on YouTube.
It has already come out. Go to YouTube, type in Harry Potter and the Half-Blood Prince trailer and something should come up for you.
It has already come out, and gone off sale.
It already has.
It is already out.