Creed doesn't have any choice but to stay under Krakoa. lol Sorry couldn't resist.
The utopia will start to crumble sooner or later. It's just a question of where it's gonna start. Apocalypse seems to be playing a long game. So he may be all right for a bit.
So risk factors that can come sooner are.
- Magneto
- Mystique
- Sinister
- Emplate
- Selene
We just wait for someone on this list to break bad first.