The benefit of more responsive and representative government for Scotland, Wales and Northern Ireland, without sacrificing the strength and security that pooling and sharing risks and rewards provides.
Personally, my money is on Tony Stark or Captain America biting the dust, because it's gotta be a character that the audience will be upset about. But who's it gonna be?
In fact, this wonderful country whose bounties we benefit from was built by so many people who made endless and often the ultimate sacrifices before we were even born.
I believe the rendering of useful service is the common duty of mankind and that only in the purifying fire of sacrifice is the dross of selfishness consumed and the greatness of the human soul set free.