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...
Amazing Spider-Man #3: First Doctor Octopus Comic
Another huge first appearance, Doc Oc gets his arms on Spidey!
Amazing Spider-Man #5: Spidey Meets Doctor Doom
The first crossover for Dr. Doom, foe of the Fantastic Four!
Amazing Spider-Man #6: First Appearance of the Lizard
He's scaly! He's slimy! His tail grows back if you cut it off!
Marvel Avengers #1 Comic Book Prices
Find out values of the very first appearance of the super-team.
Fantastic Four #1 Comic Values
Find out why this book started the Marvel Age of Comics, and what it's worth now!
Fantastic Four #45 Comic Book Prices
Find out the value of the first appearance of the Inhumans.
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.
Incredible Hulk #5 Comic Prices
One of the first six Hulk comic books, and well worth a mention in this guide!
Incredible Hulk #181 Comic Book Prices
The first appearance of Wolverine! Need we say more about this 1970s classic?
Tales to Astonish #27 Price Guide
The first appearance of Ant-Man in pre-hero form. What's it worth?
Index to Key Issue Price Guides