GUARDSMAN (MICHAEL O'BRIEN)

Iron Man #82"Plunder Of The Apes!"

Earliest catalogued appearance of Guardsman (Michael O'Brien).

Jan 1976

No listings

The Vision and the Scarlet Witch #7"Batteries Not Included!"

Apr 1986

No listings

The Official Handbook of the Marvel Universe #5"Gardener To The Hulk"

Apr 1986

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Captain America #352"Refuge"

Earliest catalogued appearances of Vostok and Fantasma.

Apr 1989

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Captain America #353"The Great Bear"

May 1989

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Captain America #354"Reawakening"

Jun 1989

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Fred Hembeck Destroys the Marvel Universe #1

Jul 1989

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Captain America #358"Bones of Contention"

Sep 1989

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The Avengers Annual #18

Oct 1989

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Captain America #363"Moon Over Madripoor; Malus Aforethought"

Nov 1989

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Quasar #5

Earliest catalogued appearance of Kenjiro Tanaka.

Dec 1989

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What If...? #8

Earliest catalogued appearance of Firepower.

Dec 1989

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Captain America #371"Cap's Night Out"

Jun 1990

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The Avengers #319"The Waterwind Interdiction"

Jul 1990

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Captain America #372"Sold on Ice"

Jul 1990

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Marvel Comics Presents #54"On the Road & other stories"

Jul 1990

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The Avengers #320"Underlying Currents"

Aug 1990

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The Avengers #323"One World's Not Enough For All of Us"

Sep 1990

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The Avengers Annual #19

Earliest catalogued appearance of Dinah Soar.

Sep 1990

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The Avengers #324"Imaginary Borders"

Oct 1990

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The Avengers #325"Party Games"

Oct 1990

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Captain America #380"With Friends Like These..."

Dec 1990

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Avengers: Death Trap, The Vault #1"GN"

Jan 1991

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Captain America #383"I Am Legend"

Mar 1991

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The Avengers #332"The Many Faces of Doom"

May 1991

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Captain America Annual #10"The Von Strucker Gambit, Part 3: Call Of Duty; Brothers; Forgive Us Our Trespasses; Worth Fighting For"

May 1991

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The Avengers #341"Rage of Angels"

Nov 1991

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Quasar #28

Nov 1991

No listings

Deathlok #8

Feb 1992

No listings

The New Warriors #21

Earliest catalogued appearance of Hybrid.

Mar 1992

No listings

Captain America #404"Man and Wolf (Part 3): Children of the Night; Real World;"

Aug 1992

No listings

Captain America #405"Man and Wolf (Part 4): Dances with Werewolves; Cross Country"

Aug 1992

No listings

Guardians of the Galaxy #28

Sep 1992

No listings

Guardians of the Galaxy #29

Oct 1992

No listings

Guardians of the Galaxy #30

Nov 1992

No listings

Spider-Man Special Edition #1"The Trial of Venom"

Dec 1992

No listings

Captain America #422"Going Ballistic"

Dec 1993

No listings

Iron Man #300"Appetite For Destruction!"

Jan 1994

No listings

Code of Honor #3

Apr 1997

No listings

Dark Avengers #186

Mar 2013

No listings

Iron Man #6"Dreams of Deicide"

Apr 2021

No listings