Marvel Comics

BACKSTOP

APPEARANCES

SERIES

FIRST APPEARANCE

G.I. Joe, a Real American Hero #64

October 1987

Earliest catalogued appearances of Sci-Fi and Psyche-Out.

All 2 appearances.

G.I. Joe, a Real American Hero #64

Earliest catalogued appearances of Sci-Fi and Psyche-Out.

Oct 1987

No listings

G.I. Joe, a Real American Hero #68

Earliest catalogued appearance of Iceberg (GI Joe).

Feb 1988

No listings

G.I. Joe, a Real American Hero

155 issues