Len Wein

Leonard Norman Wein was an American comic book writer and editor best known for co-creating DC Comics' Swamp Thing and Marvel Comics' Wolverine, and for helping revive the Marvel superhero team the X-Men.

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Giant-Size Spider-Man #1

Marvel 1974 Vol. 1
Non-Key
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Marvel Team-Up #23

Marvel 1974 Vol. 1
Non-Key
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$45
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$2
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$8
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$25
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Tales of the Zombie #6

Curtis 1974 Vol. 1
Non-Key
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Rebirth of Adam Warlock

Power Man #20

Marvel 1974 Vol. 1
Non-Key
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$5
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$2
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Swamp Thing #11

DC 1974 Vol. 1
Non-Key
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$2
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1st appearance of Moondog the Malicious

Bondage cover

Avengers, The [UK] #47

Marvel UK 1974 Vol. 1
Non-Key
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Avengers, The [UK] #48

Marvel UK 1974 Vol. 1
Non-Key
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$30
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Avengers, The [UK] #49

Marvel UK 1974 Vol. 1
Non-Key
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$2
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Defenders #15

Marvel 1974 Vol. 1
Non-Key
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$2
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$5
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$18
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Incredible Hulk #179

Marvel 1974 Vol. 1
Non-Key
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$5
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$15
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$5
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$12
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$40
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Savage Tales Magazine #6

Marvel 1974 Vol. 1
Non-Key
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$2
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$10
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$30
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Dracula Lives #8

Curtis 1974 Vol. 1
Non-Key
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$2
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$10
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$30
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Avengers, The [UK] #54

Marvel UK 1974 Vol. 1
Non-Key
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$2
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$30
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$300
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$1K
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$3.2K
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1st cameo appearance of Wolverine

2nd appearance of Wendigo

Marvel Value Stamp Series A #67 - Cyclops

⚠️ Debatable Firsts: this issue, by far, is the most debated "cameo versus full" book and likely the main reason "cameo" became such a significant yet loosely defined term in comic book collecting

Theoretically, The Incredible Hulk #180 being labeled "cameo" of Wolverine was due to an oversight by Overstreet (see additional images)

In the 1980/1981 edition of Overstreet, Hulk#181 is labeled - 1st app of Wolverine and Hulk#180 is without a descriptor, commanding the same value as issues #151 - #176

In the 1981/1982 Overstreet, the description had been amended to read #180 - 1st app. Wolverine but mislabeled #181 and #182 - Wolverine cameo

Finally, in 1982/1983, Overstreet labeled Hulk #180 - 1st app. Wolverine (cameo) and #181 - Wolverine app. #182 - Wolverine cameo

In recent years, Marvel has taken a stance on Hulk #180 as the first appearance of Wolverine, wanting to eliminate the term "cameo" altogether, presumably to avoid this exact debate

But in years past, official Marvel guidebooks and trading cards would often trade-off which issue was given the coveted 1st (full) appearance designation (see additional images)

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Team-up of the Defenders and Son of Satan

Power Man #21

Marvel 1974 Vol. 1
Non-Key
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Defenders #16

Marvel 1974 Vol. 1
Non-Key
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Swamp Thing #12

DC 1974 Vol. 1
Non-Key
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$35
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$2
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First meeting of Spider-Man and Shang-Chi

First crossover of Shang-Chi outside of a Kung Fu series

Power Man #21

Marvel 1974 Vol. 1
Non-Key
Mark Jewelers
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$2
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$10
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$30
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Incredible Hulk #183

Marvel 1974 Vol. 1
Non-Key
Mark Jewelers
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$2
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$10
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$30
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Avengers, The [UK] #55

Marvel UK 1974 Vol. 1
Non-Key
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$2
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$900
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$2.2K
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$8.2K
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1st full appearance of Wolverine, final page cameo in issue #180

Marvel Value Stamp Series A #54 - Shanna the She-Devil

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1st cameo team appearance of the Wrecking Crew: Bulldozer, Piledriver, Thunderball, Wrecker

First meeting of Luke Cage and the Defenders

All characters appear in a final page cameo for the first time with the exception of the Wrecker who first appeared in Thor #148

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Incredible Hulk #184

Marvel 1974 Vol. 1
Non-Key
Mark Jewelers
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$2
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$30
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Incredible Hulk #184

Marvel 1974 Vol. 1
Non-Key
Mark Jewelers
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$2
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$30
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2nd appearance of Wolverine

Many sources cite this as a cameo appearance of Wolverine and Giant-Size X-Men #1 as a 2nd full appearance

1st appearance of Hammer and Anvil

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1st full team appearance of the Wrecking Crew: Bulldozer, Piledriver, Thunderball, Wrecker

All characters appear in full for the first time with the exception of the Wrecker who first appeared in Thor #148

Supernatural Thrillers #10

Marvel 1974 Vol. 1
Non-Key
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Swamp Thing #13

DC 1974 Vol. 1
Non-Key
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$40
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Incredible Hulk #182

Marvel 1974 Vol. 1
Non-Key
Mark Jewelers
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$40
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$405
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$1
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2nd appearance of Zzzax

Savage Tales Annual #1

Marvel 1975 Vol. 1
Non-Key
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Detective Comics #444

DC 1975 Vol. 1
Non-Key
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$8
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$70
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House of Secrets #127

DC 1975 Vol. 1
Non-Key
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$35
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2nd appearance of the Wrecking Crew

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Partial origin of Silver Surfer and Shalla-Bal

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1st appearance of Multiple Man, mutant power of self-duplication

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