The Amazing Spider-Man #100

Name: The Amazing Spider-Man #100
Brand: Marvel
Availability: InStock

Sep 1971 · Marvel · 0.15 USD

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“The Spider or the Man?”

About this Issue

Amazing Spider-Man #100 marks the end of an unbroken run: Stan Lee scripted every single one of the title's first hundred issues, and he chose to close that chapter not with a safe anniversary celebration but with one of the most audacious cliffhangers in Marvel history — Peter Parker waking to find four extra arms sprouting from his sides, leaving incoming writer Roy Thomas to clean up the mess. The issue is also the opening chapter of 'The Six Arms Saga' (ASM #100–102), which introduced Morbius the Living Vampire in the following issue and helped push Marvel toward the horror-tinged storytelling that the recently revised Comics Code Authority now permitted. Beyond its plot fireworks, the issue functions as an unusually candid meditation on Peter Parker's identity — his desire for a normal life with Gwen Stacy versus the inexorable pull of responsibility — giving the centennial milestone genuine emotional weight that anniversary issues rarely achieve.

In "The Spider or the Man?", Peter Parker takes a drastic step, brewing a potion to permanently shed his powers—only to wake up with six arms, throwing his life into chaotic new territory. Written by Stan Lee and brought to life with dynamic art by Gil Kane, with inks by F. Giacoia and Tony Mortellaro, this 1971 classic features a cover by John Romita and Frank Giacoia.

writer Stan Lee · artist Gil Kane · inker F. Giacoia · inker Tony Mortellaro · letterer Artie Simek · cover John Romita, Frank Giacoia

ComicBooks.com Value

Our Model is In Beta

Raw (Fine) $117

CGC 9.8 · 99 in census $3,446

CGC 9.6 · 200 in census $1,473

CGC 9.4 · 336 in census $634

CGC 9.2 · 404 in census $534

CGC 9.0 · 452 in census $484

CGC 8.5 · 584 in census $261

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CGC 8.0 · 525 in census $261

CGC 7.5 · 470 in census $211

CGC 7.0 · 459 in census $211

CGC 6.5 · 394 in census $147

CGC 6.0 · 347 in census $147

CGC 5.5 · 232 in census $130

CGC 5.0 · 261 in census $130

CGC 4.5 · 166 in census $119

CGC 4.0 · 133 in census $106

CGC 3.5 · 55 in census $92

CGC 3.0 · 35 in census $85

CGC 2.5 · 16 in census $82

CGC 2.0 · 6 in census $61*

CGC 1.5 · 3 in census $41*

CGC 1.0 · 1 in census $35*

CGC 0.5 · 1 in census $29*

* estimate — limited direct-sales data at this grade

Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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Raw / ungraded ▾ $150–$250 4 listings

Raw / ungraded $149.99 Raw / ungraded $169.79 Raw / ungraded $219.99 Raw / ungraded $250

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History

Stan Lee had spent years gradually handing off scripting duties to younger writers, but he deliberately held on long enough to reach issue #100 before stepping back from the book. In a 1998 conversation published in Comic Book Artist, Roy Thomas recalled that Lee finished the issue by giving Peter four extra arms and simply told him, 'Take it, Roy' — with Lee himself later jokingly claiming he thought Thomas had been the one to introduce the mutation. The interiors were penciled by Gil Kane, who had been rotating on the title with John Romita Sr. for roughly a year and a half and who had already illustrated several of the run's most significant story beats; Frank Giacoia inked the interior pages, while Romita and Giacoia produced the cover. Lee's departure after this issue was initially framed as a brief vacation but proved, outside of a short return stint through issue #110, to be permanent — making #100 the quiet but consequential handoff point between the Lee era and everything that followed.

Trivia · 7 facts

Story title: 'The Spider or the Man?' — written by Stan Lee, penciled by Gil Kane, inked by Frank Giacoia (Tony Mortellaro on backgrounds), lettered by Artie Simek, with a cover by John Romita Sr. and Frank Giacoia.
Peter Parker, crushed by guilt over the deaths of Captain Stacy and the strain on his relationship with Gwen Stacy, brews a serum to eliminate his spider-powers; it instead causes four additional arms to burst from his sides — leaving him with six limbs total.
The issue's drug-induced dream sequence revisits key moments from Spider-Man's history and features cameo appearances (in dream form) by the Vulture, the Lizard, the Green Goblin, Doctor Octopus, the Kingpin, and the spirit of George Stacy.
This is effectively Stan Lee's final regularly scripted issue of Amazing Spider-Man; subsequent issues carrying his name are generally considered inventory scripts, and Roy Thomas took over as the series' writer beginning with issue #101.
ASM #100 is the opening chapter of 'The Six Arms Saga' (issues #100–102), which introduced the villain Morbius the Living Vampire in issue #101 — a character who would go on to become a recurring presence in Marvel's supernatural corner.
At the time of publication, Amazing Spider-Man was only the second Marvel superhero title to reach a 100th issue (after Fantastic Four #100, July 1970).
John Romita Sr.'s floating-heads cover has been widely homaged, including the variant cover for Ultimate Spider-Man #100; the six-arms transformation concept was also adapted as a major storyline in the 1990s Spider-Man animated series ('Neogenic Nightmare' arc). Marvel published a Facsimile Edition of the issue in August 2026.