But the really interesting news is executive producer Sunil Nayar discusses the Megan/Aiden relationship in Season 3 and that there is "much, much more ground to be explored". So, it would seem they have a plan to have Jamie back, though, again, probably dependent on his availability.
For the folks outside the U.S., sorry, this likely won't play for you. :( But if I find another source, I will definitely link to it!
ETA: If you live in Canada, you can view the video HERE at ABC.com. Thanks, Jennifer, for the tip! :)