Marvel's short-lived superstar fought enemies both infamous and obscure, but it took his death to unveil the story of his life It's demons, depowerment and drama when the Defenders discover the true secret of Omega and his mysterious charge Plus, the death of a super-villain who, so far, is still dead When was the last time you saw that? Guest-starring Spider-Man (if you look closely enough) Collects Omega: The Unknown #1-10 and Defenders #76-77.