ComingSoon.net is now guessing that the Haf-Blood Prince trailer will come out on August 15th with Star Wars: The Clone Wars.

ComingSoon.net has now confirmed which trailers Warner Bros. Pictures will be debuting. There’s been much speculation that we’ll be seeing the first trailer for Harry Potter and the Half-Blood Prince, but it looks like Harry Potter fans will have to wait a bit longer for the first footage.

Remember this is just a rumor and not at all confirmed by WB.