Comic Books Key Issue Price Guide

Consult our comic books key issue price guide to find out the value of the world's most important comic books.

Here we focus on first appearance, origin issues, and other books of vital importance to the Marvel and DC Universes.

All these are valuable books, but just HOW valuable? Click a link or image below to find out...

Links to All Our Key Issues Comic Book Price Guides

All-Star Comics #8 Comic Values

All-Star Comics #8 Comic Values
First appearance of Wonder Woman, and a huge key issue!

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Amazing Fantasy #15 Comic Values

Amazing Fantasy #15 Comic Values
Spidey's first stand-alone book is a Silver Age must-own.

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Amazing Spider-Man #1 Comic Price Guide

Amazing Spider-Man #1 Comic Price Guide
Spidey's first stand-alone book is a Silver Age must-own.

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Amazing Spider-Man #2 Values

Amazing Spider-Man #2 Values
This book features two new Spider-Man villains...

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Amazing Spider-Man #3: First Doctor Octopus Comic

Amazing Spider-Man #3: First Doctor Octopus Comic
Another huge first appearance, Doc Oc gets his arms on Spidey!

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Amazing Spider-Man #4: First Sandman Appearance

Amazing Spider-Man #4: First Sandman Appearance
The man who can crumble into dust or grow himself huge! Find out values.

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Amazing Spider-Man #5: Spidey Meets Doctor Doom

Amazing Spider-Man #5: Spidey Meets Doctor Doom
The first crossover for Dr. Doom, foe of the Fantastic Four!

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Amazing Spider-Man #6: First Appearance of the Lizard

Amazing Spider-Man #6: First Appearance of the Lizard
He's scaly! He's slimy! His tail grows back if you cut it off!

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Avengers #1 Comic Book Prices

Marvel Avengers #1 Comic Book Prices
Find out values of the very first appearance of the super-team.

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Avengers #2 Comic Book Values

Avengers #2 Comic Book Values
Hulk leaves! Space Phantom first appearance! What's it worth today?

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Avengers Comic #3 Price Guide

Avengers Comic #3 Price Guide
One of the great early issues of this super-team. Find out prices or have yours appraised FREE.

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Batman #181 Values

Batman #181 Values
The first appearance of Poison Ivy guarantees that this is a hot hot book!

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Batman #232 Comic Book Prices

Batman #232 Comic Book Prices
Featuring the first Ra's al Ghul and Neal Adams cover, this is a classic.

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Brave and the Bold 25 Comic Book Price Guide

Brave and the Bold #25 Comic Book Price Guide
The first appearance of the Suicide Squad is a Silver Age key!

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Brave and the Bold 28 Comic Values

Brave and the Bold #28 Comic Values
The first appearance of the Justice League of America. Need we say more?

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Detective Comics 359 Values

Detective Comics #359 Values
The first appearance of Barbara Gordon as Batgirl is a huge 1960s key!

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Detective Comics 400 Price Guide

Detective Comics #400 Price Guide
Find out the value of the first appearance of Man-Bat, another Neal Adams cover!

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Fantastic Four 1 Comic Values

Fantastic Four #1 Comic Values
Find out why this book started the Marvel Age of Comics, and what it's worth now!

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Fantastic Four #5 Price Guide

Fantastic Four #5 Price Guide
The first appearance of Doctor Doom! A truly landmark Silver Age key issue.

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Fantastic Four #45 Comic Book Prices

Fantastic Four #45 Comic Book Prices
Find out the value of the first appearance of the Inhumans.

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Fantastic Four #48: First Silver Surfer

Fantastic Four #48: First Silver Surfer
Yes, the Herald of Galactus first appears in this comic books key issue!

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Flash #105 Comic Book Prices

Flash #105 Comic Book Prices
The first solo appearance of Barry Allen as Flash is a valuable issue.

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Flash Comic #117 Price Guide

Flash Comic #117 Price Guide
The first appearance of Captain Boomerang has become a key issue comic book.

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Flash #123 Comic Book Value

Flash #123 Comic Book Value
A huge key issue, the return of the Golden Age Flash and origin stories of both Flashes make this valuable.

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Flash #139 Comic Prices

Flash #139 Comic Prices
Work out what your copy of the first appearance of Reverse Flash is worth here.

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Giant-Size X-Men #1 Comic Price Guide

Giant-Size X-Men #1 Comic Price Guide
See values for the most popular X-title of the 1970s, with Wolverine joining the team!

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Green Lantern 76 Comic Price Guide

Green Lantern #76 Comic Price Guide
The landmark Neal Adams issue is a major Bronze Age key. Find out the value here!

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Incredible Hulk #1 Comic Values

Incredible Hulk #1 Comic Values
Find out why Hulk 1 comic is the hottest key issue on the planet!

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Incredible Hulk 2 Comic Values

Incredible Hulk #2 Comic Values
Read this article to see what you can expect a copy of Hulk #2 to sell for!

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Incredible Hulk 3 Price Guide

Incredible Hulk #3 Price Guide
If you have a Hulk 3 from the first series, find out its value here.

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Incredible Hulk 4 Value Guide

Incredible Hulk #4 Value Guide
What's Hulk #4 worth today? Find out here, and have your copy appraised free.

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Incredible Hulk 5 Comic Prices

Incredible Hulk #5 Comic Prices
One of the first six Hulk comic books, and well worth a mention in this guide!

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Incredible Hulk 6 Values

Incredible Hulk #6 Values
The final book in the original Hulk series is worth good money. How much?

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Incredible Hulk #181 Comic Book Prices

Incredible Hulk #181 Comic Book Prices
The first appearance of Wolverine! Need we say more about this 1970s classic?

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Iron Man #55 Comic Price Guide

Iron Man #55 Comic Price Guide
Learn the values of this comic books key issue, featuring the first appearance of Thanos!

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Journey into Mystery #83 Comic Values

Journey into Mystery #83 Comic Values
The first appearance of Thor! One of the Silver Age key issues everybody wants.

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Journey into Mystery #85 Comic Prices

Journey into Mystery #85 Comic Prices
The first appearance of Loki, Thor's brother and most famous villain!

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Justice League of America #1 Comic Price Guide

Justice League of America #1 Comic Price Guide
The first solo comic book featuring the JLA is a comic books key issue.

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Marvel Super-Heroes #18 Comic Values

Marvel Super-Heroes #18 Comic Values
First appearance of Guardians of the Galaxy, and now a Silver Age key issue!

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Showcase #4 Comic Book Price Guide

Showcase #4 Comic Book Price Guide
Learn the value of this critical key issue in the development of Silver Age comics!

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Tales of Suspense #39 Comic Values

Tales of Suspense #39 Comic Values
Iron Man, aka Tony Stark, first appears in this classic Silver Age key issue.

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Tales of Suspense #40 Comic Values

Tales of Suspense #40 Comic Values
Second Iron Man, First Gold Armor! Find out what it's worth.

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Tales of Suspense #50 Comic Values

Tales of Suspense #50 Comic Values
The 1st appearance of the Mandarin, Iron Man's enemy, is a key issue comic.

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Tales of Suspense #52 Comic Prices

Tales of Suspense #52 Comic Prices
The 1st appearance of Black Widow Marvel comics. Find out values here.

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Tales of Suspense #57 Comic Prices

Tales of Suspense #57 Comic Prices
The first Hawkeye appearance has become hot, thanks to his role in Marvel movies!

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Tales to Astonish 27 Price Guide

Tales to Astonish #27 Price Guide
The first appearance of Ant-Man in pre-hero form. What's it worth?

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Tales to Astonish 35 Comic Prices

Tales to Astonish 35 Comic Prices
Find out what TTA 35 is worth. It's the first appearance of Ant-Man in costume.

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Tales to Astonish 44 Comic Price Guide

Tales to Astonish 44 Comic Price Guide
Find out what value the first appearance of Wasp has in TTA 44.

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Thor 165 Comic Book Prices

Thor 165 Comic Book Prices
Featuring the first appearance of HIM! aka Adam Warlock.

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Index to Key Issue Price Guides

Comic Books Key Issue Editorials

More of our Comic Price Guides