User blog comment:Rassilon of Old/Young Justice spoilers at Comic-Con 2012/@comment-69.246.69.53-20120718041226/@comment-4454131-20120718041650

Well, the content we saw in the first trailer for YJ invasion was back before season 2 aired showed us some ontent spanning all the way to beneath. I hope that helps you estimate how far into the season the stuff in this one will take to all be shown.