
Mail call: Avengers #2 (November 1963) — Kirby Archive
First appearance of the Space Phantom — and the issue where Hulk quits the team, setting up his replacement by Cap in issue #4. Only the second issue and Kirby’s already reshuffling the roster, establishing that the Avengers lineup is volatile by design rather than fixed like the FF.
The Space Phantom’s body-snatching concept is pure Kirby sci-fi horror — an alien who duplicates you and sends the original to Limbo. Simple, creepy, effective. What’s easy to miss is that this is also an early template for the “enemy within” plot structure that becomes a Marvel staple.
Kurt Busiek pulled off one of the better deep-cut retcons with this character in Avengers Forever (1998-2000, with Carlos Pacheco). He revealed the Space Phantom wasn’t a single villain but one of many — inhabitants of Limbo transformed and deployed by Immortus as agents across time.
It retroactively connected the throwaway shapeshifter from issue #2 to the entire Kang/Immortus time-war mythology, giving a one-off monster real structural weight in Marvel continuity. One of the cleanest examples of a later writer honoring early Kirby material by building on it rather than overwriting it.