Publisher

Publication Types

Era

Cover Types

Characters

Jerry Coleman

DC Jun 1958

Action Comics #241

Action Comics #241
View Series
Low
$120
Mid
$400
High
$1.2K
View on eBay
Introduction of the Fortress of Solitude
A prototype version of Superman's headquarters was introduced in Superman #17 and the name was mentioned in Superman #58
DC Apr 1961

Action Comics #275

Action Comics #275
View Series
Low
$18
Mid
$60
High
$180
View on eBay
First mention of Superman's Heat Vision power - previous issues demonstrated his X-Ray vision having powers to melt glaciers
Debut of Red/Green Kryptonite - causes mutations including an extra eye on the back of Superman's head

Clicking on the eBay link and making a purchase may result in this site earning a commission from the eBay Partner Network.

No Results Found

Try adjusting the "Variants" search filter above, or disable "Keys Only" to see all issues.

  • Variant Covers ()

Subscribe to Unlock

View Graded Pricing

Unlock graded pricing and other premium features by subscribing to Key Collector Comics.

Subscribe Learn what's included

Price Guide

Prices are estimates based on recent sales data and may not reflect actual market value. Key Collector Comics does not guarantee the accuracy of any pricing information.