The company never said no news till July. Where have you ever seen that stated? Not here I know that. All stan did was tweet that the July con will have new movies, tv shows and comics. For Octobers con he made a video months in advance saying how big it would be. So all we have here and now is a Big heads up.
Thor was used as a example only because it came to mind. What product plans Disney and/or the other pown partners have, Old or New, it will happen from how the partner wants to release the news, they have the right.