"...he's actually starting to gravitate back towards ... towards home in a sense, but that's gonna be a different home because the angels' home has been destroyed. He's got a story to play, but it'll take a little longer than the other ones because we kind of front-load it with the boys and then bring him in."
Re: Reunion speculation
http://www.huffingtonpost.com/2012/07/15/supernatural-comic-con-interviews_n_1674845.html