The iron cobra first appeared in the first edition in the original Fiend Folio (1981).
Iron Maiden | Iron Age | Iron Curtain | Iron Man | iron | Iron Chef | Iron Cross | Iron Chef America | Knight's Cross of the Iron Cross | Cobra | Iron Butterfly | Iron | Cobra Starship | cast iron | Iron Range | Iron Crown Enterprises | Iron & Wine | Iron Mountain | Iron Man (2008 film) | Iron Man 3 | Bath Iron Works | Order of the Iron Crown | G.I. Joe: The Rise of Cobra | Cross of Iron | Wrought iron | Iron Heights Penitentiary | Cobra Verde | wrought iron | Under the Iron Sea | Man in the Iron Mask |