I doubt this will happen. My quick research (I was curious to what other games came from Bungie) shows that Oni was before the Microsoft takeover and that most of the developers have left the company since then. Looks like Bungie is now only good for pumping out Halo releases. Seems to work well...
Found a great summary of what the current state of Guild Wars 2 has to offer players. Even though people that actively check this thread probably already know everything mentioned in the blog post, it's a great resource to share with others.
Linky...