I've actually seen a Marvel editor say that the only two people in the MU who'll NEVER come back from the dead are Bucky and Uncle Ben.
Ben, we're waiting!
As a team? Twice that I can remember - and you've mentioned both.
Individually?
Mac is threatening Jean's record.
Sasquatch was killed by Snowbird (which is why the rest died), then pulled himself out of Shaman's pouch.
Um...
I'm not up to thinking right now. Sorry.
~ Le Messor
"Death is the great adventure beside which moon landings and space trips pale into insignificance."
~ Joseph Bayly (lost three sons to death before age 20)