List of First Appearances in Marvel Comics Publications - A

A

• The Aakon in Captain Marvel #8, July 1969
• The A'Askvarii in Black Goliath #5, November 1976
• Abomination in Tales to Astonish #90, April 1967
• Absorbing Man in Journey into Mystery #114,
• The Achernonians in Thor Annual #6, 1977
• The A-Chiltarians in Tales to Astonish #46, August 1963
• Adamantium in Avengers #66, July 1969
• Adam Warlock as "Him" in Fantastic Four #66, September 1967
  • as "Adam Warlock" in Marvel Premiere #1, April 1972
• AIM (Advanced Idea Mechanics) in Strange Tales #146, July 1966
• Agamotto (in reference only) in Strange Tales #115, December 1963
• Aginar in Eternals #11, May 1977
• Agon in Thor #148, January 1968
• Aguila in Power Man and Iron Fist #58, August 1979
• Ahqlau in Eternals (vol. 2) #2, November 1985
• Aireo in Fantastic Four #47, February 1966
• Air-Walker in Fantastic Four #120, March 1972
• Ajak in Eternals #2, August 1976
• Alfheim in Thor #277, November 1978
• Allatou in Marvel Spotlight #18, October 1974
• The Alpha Centaurians in Sub-Mariner #17, September 1969
• Alpha Flight in Uncanny X-Men #121, April 1979
• Alpha Primitives in Fantastic Four #47, February 1966
• American Eagle in Marvel Two-in-One Annual #6, October 1981
• Amphibian in Avengers #145, March 1976
• Amphibius in X-Men #62
• Anaconda in Marvel Two-in-One #64, June 1980
• Ancient One in Strange Tales #110, July 1963
• Andromeda in Defenders #143, May 1985
• Angar the Screamer in Daredevil #100, June 1973
• Angel in X-Men #1, September 1963
• The Ani-Men in Daredevil #10, October 1965
• Annalee in Power Pack #12, July 1985
• Annihilus in Fantastic Four Annual #6, November 1968
• Ant-Man (Scott Lang) in Marvel Premiere #47, April 1979
• Ape in Power Pack #12, July 1985
• Ape-Man in Daredevil #10, October 1965
• Ape-X in Squadron Supreme #5, January 1986
• Apocalypse in X-Factor #6, June 1986
• Aquarian (Wundarr) in Adventure into Fear #17, October 1973
  • Wundarr as Aquarian: Marvel Two-in-One #58
• Aquarius in Avengers #72, January 1970
• Arabian Knight in Incredible Hulk #257, March 1981
• Aragorn in Avengers #48, January 1968
• Arcade in Marvel Team-Up #65, January 1978
• Arcanna in Defenders #112, October 1982
• Archangel in X-Factor #24
• Arclight in Uncanny X-Men #210, October 1986
• The Arcturans in Adventure into Fear #23, August 1974
• Ares (modern) in Thor #129, June 1966
• Aries in Avengers #72, January 1970
• Arishem the Judge in Eternals #2, August 1976
• Arkon in Avengers #75, April 1970
• Arkus in Sub-Mariner #63, July 1973
• Arlok in What If #27, July 1981
• Armadillo in Captain America #308, August 1985
• Arnim Zola in Captain America #208, April 1977
• Asgard in Journey into Mystery #85, October 1962
• Asmodeus I in Fantastic Four #117, December 1971
• Asmodeus in Ghost Rider (vol. 2) #53, February 1981
• Asp in Captain America #309, September 1985
• Asteroid M in X-Men #5, June 1964
• Astra in Uncanny X-Men #107, October 1977
• Astra II in Rom #25, December 1981
• The Astrans in Incredible Hulk #6, March 1963
• Astron in What If #27, July 1981
• Atlantis in Fantastic Four Annual #1, 1963
• Atra in Marvel Team-Up Annual #5, 1982
• Attilan in Fantastic Four #47, February 1966
• Attuma in "Fantastic Four" #33, December 1964
• Aurora in Uncanny X-Men #120, April 1979
• The Autocrons in Machine Man #3, June 1978
• Avalanche in Uncanny X-Men #141, January 1981
• The Avengers in Avengers #1, September 1963
• Avius in Fantastic Four #129, December 1972
• Awesome Android in Fantastic Four #15, June 1963
• The Axi-Tun in Invaders #1, August 1975