Originally Posted by metaphysician
Okay, this logic makes me hope that Killian *did* survive, and comes back to lead the Masters of Evil in Avengers 2. . .
It wouldn't surprise me if he returned. Probably not as the leader, but as part of the villain combo for Avengers 2? Yeah, it could happen.
Might even have some magic rings. It seems like the evil genius behind all this likes to dole out the alien hardware (see Loki in Avengers).