I’m also fond of Warrior One/Warrior Zero from Slotts Silver Surfer run. I’d be happy to see him again.
Does Moondragon meet your criteria? Earth-born, but in every other respect, Titanian-Eternal. She's also got a wonderful combination of psionic, martial arts, and technological capabilities. On top of all that, she's kind of an arrogant pain in the ass, which offers dramatic possibilities.