In the Venezuelan press (1987) the cover art was a different picture of the band's mascot, Eddie, holding the decapitated head of singer Paul Di'Anno. This version is one of the rarest Iron Maiden items in the world.
Also released exclusively for the Japanese market, though entitled "Heavy Metal Army (Maiden Japan Live!!)". Same tracklisting and artwork as the 'regular' version (except "Heavy Metal Army..." replacing the "Maiden Japan" title on the cover). (Note: there's also circulating a 12-track picture-12" vinyl with the same name; this is a bootleg.)
Recorded on May 24, 1981 at The Sun Plaza, Tokyo, Japan.
The 1981 American, Canadian and New Zealand pressings additionally have "Wrathchild" as track three (track one of side B), and the 1985 Argentinian and Brazilian pressings also have this track.
Later reissued on CD alongside the Purgatory single.
In 1999, the entire Maiden Japan concert was remastered and released as a digipak to members of the Iron Maiden fanclub. The full tracklisting is:
4. Remember Tomorrow
5. Another Life
6. Genghis Khan
8. Innocent Exile
9. Twilight Zone
10. Strange World
11. Murders in the Rue Morgue
12. Phantom of the Opera
13. Iron Maiden
14. Running Free
17. I've Got the Fire