Ooh, and Vanguard, Darkstars brother, and Ursa Major, and any survivors of all those Russian mutants introduced back in X-Factor... Another huge pile of potential, and, being from a different culture, they'd make an interesting separate faction on Krakoa.
Plus Sabra. I always forget about her, and thought she was cool for the approx. 10 seconds she worked alongside the X-peeps.
Yikes, I'd imagine not. On the other hand, at least some of his evil comes from his bodiless state. It's *possible* that having a body of his own, and surrounded by telepaths powerful enough to prevent him from wanton mindbuggery, he could turn out not much worse than Shaw or Apocalypse or Selene have been, as Krakoans.