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X-Factor #31 cover

Cover: Walter Simonson

X-Factor #31

Aug 1988 · Marvel · 1.00 USD; 1.25 CAD; 0.50 GBP

📊 ~48,217 copies sold its debut month

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“Kiss Off!”

In "Kiss Off!", Cyclops and Jean face off against Freedom Force in a tense showdown that takes a bizarre turn when Infectia’s attempts to turn Bobby into an Anti-Body go hilariously awry—accidentally landing a kiss on Beast instead. Written by Louise Simonson and illustrated by Walter Simonson, this 1988 X-Factor issue delivers a sharp blend of action and absurdity, with cover art by Walter Simonson capturing the moment’s chaotic energy.

writer Louise Simonson · artist Walter Simonson · inker Bob Wiacek · colorist Greg Wright · letterer Joe Rosen · cover Walter Simonson

ComicBooks.com Value

Our Model is In Beta

Raw (VF) $4

CGC 9.8 · 24 in census $130*

CGC 9.6 none in existence

CGC 9.4 · 1 in census $42*

CGC 9.2 · 2 in census $38*

CGC 9.0 · 2 in census $34*

CGC 8.5 · 1 in census $33*

Show all 7 grades ▾

CGC 8.0 · 1 in census $30*

* estimate — limited direct-sales data at this grade

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

This exact issue on ebay

CGC 9.8 ▾ $105–$110 2 listings

CGC 9.8 $104.9 CGC 9.8 $109.95

CGC 9.4 $39.95 1 listing CBCS $49.95 1 listing

Raw — MINT ▾ $2–$3.95 2 listings

MINT $2 MINT $3.95

Raw — NM ▾ $5.4–$24 5 listings

NM $5.4 NM $6.95 NM $9.98 NM $24 NM $24

Raw — NM- ▾ $2.4–$7 3 listings

NM- $2.4 NM- $3.5 NM- · Direct $7

Raw — VF/NM ▾ $1.99–$7 6 listings

VF/NM $1.99 VF/NM $3 VF/NM · Newsstand $4.99 VF/NM $5.99 VF/NM $6 VF/NM $7

Raw — VF ▾ $2.35–$7.2 11 listings

VF $2.35 VF $2.45 VF $2.79 VF $2.99 VF $3.5 VF $3.89 VF $5.19 VF $6 VF $7 VF $7 VF $7.2

Raw — FN ▾ $3–$8.98 3 listings

FN $3 FN · Newsstand $8.98 FN $8.98

Raw — VG $3.8 1 listing Raw — GD $6.35 1 listing

Raw / ungraded ▾ $1.09–$18 31 listings

Verified matches for X-Factor #31 · eBay asking prices, seen 18 days ago

More listings for this title

VF+ $4.99 X-Factor Vol.1 #31 Marvel Comics August.1988 Direct Sales High Grade Comic $4.95

Related listings we couldn't confirm as this exact issue · 2 total · seen 18 days ago

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Cast · 30 characters

Full credits

writer Louise Simonson

artist Walter Simonson

inker Bob Wiacek

colorist Greg Wright

letterer Joe Rosen

cover pencils, inks Walter Simonson

Reprints

Reprinted in Facteur X #2 (1989), X-Marvel #35 (1993), Essential X-Factor #2 (2007), X-Men: Inferno Prologue #[nn] (2014), X-Factor Epic Collection #3 (2021), X-Men: Inferno Prologue Omnibus #[nn] (2021), X-Factor: The Original X-Men Omnibus #2 (2025)

Key issues in X-Factor

#5 1st appearance — Apocalypse

#17

#17 1st appearance — Rictor

#92

#92 1st appearance — Exodus

#2 1st appearance — Artie Maddicks

#4 1st appearance — Frenzy

#1 1st appearance — Rusty Collins

#88

#88 1st appearance — Random

#68 Key event — Scott Summers

Variants (1)

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