[quote=Revans Exile]
Other than Thor what other Avenger would last forever?
[/quote]

Steve Rogers. It is a light exaggeration, after all. Thor probably has about another six to twenty thousand years left in him considering that he's about three thousand years old now. Maybe two thousand. And on Asgard he's the equivalent of a 20 year old on Midgard. Steve probably has about another one or two hundred years left in him. If not more. Either way, they've both got centuries to live provided someone doesn't kill them first. 

[quote=Tenebrous Gaze]
I'm interested and I have a character that might work.Would multiple characters be allowed? I have two characters who I want to use who are the identical twin children of two deceased S.H.I.E.L.D. agents, one of them being a mutant with rock powers and the other a technology-based character who focuses on light.
[/quote]

A little elaboration? On the characters I mean.