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...
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!
Flash Comic #117 Price Guide
The first appearance of Captain Boomerang has become a key issue comic book.
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 of Suspense #40 Comic Values
Second Iron Man, First Gold Armor! Find out what it's worth.
Tales to Astonish #27 Price Guide
The first appearance of Ant-Man in pre-hero form. What's it worth?