comicbooks.com Join Free
Challengers of the Unknown #73 cover
Cover: Nick Cardy

Challengers of the Unknown #73

Apr 1970 · DC · 0.15 USD
☆ Be the first to review + Add to your collection — Join free

In "The Curse of the Killer Time Forgot!", the Challengers of the Unknown investigate a mysterious astronaut's death in the Atlantic, leading them to Cape Canaveral and a chilling encounter with a lunar entity named Machu. Written by Denny O'Neil and illustrated by George Tuska, the story unfolds with eerie suspense as the team faces a moon-born being tied to humanity’s fear of space — all under Nick Cardy’s striking cover.

Contains 2 stories
The Curse of the Killer Time Forgot!
21.83 pp · Adventure
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed RyanCorinna Stark]MachuMajor Cheever

In "The Curse of the Killer Time Forgot!", the Challengers of the Unknown are drawn into a chilling mystery when a strangled astronaut’s capsule crashes into the Atlantic. Tensions rise at Cape Canaveral as Corinna senses something unnatural, leading to a seance that summons Machu—a mysterious entity from the moon who’s been keeping humanity from space. When Cheever’s true allegiance is revealed, the team must confront the moon’s guardian in a high-stakes flight that tests their courage and trust.

A Flash of Memory!
2 pp · Horror-Suspense

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $8
CGC 9.6 · 1 in census $98*
CGC 9.4 · 2 in census $57*
CGC 9.2 none in existence
CGC 9.0 none in existence
CGC 8.5 · 3 in census $27*
CGC 8.0 · 1 in census $24*
Show all 11 grades
CGC 7.5 none in existence
CGC 7.0 none in existence
CGC 6.5 · 1 in census $20
CGC 6.0 none in existence
CGC 5.5 · 1 in census $20*
* 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

Raw — FN $14.5–$18.52 2 listings
Raw — VG $11.5 1 listing
Raw / ungraded $8–$15 4 listings
Verified matches for Challengers of the Unknown #73 · eBay asking prices, seen 32 days ago
🏪 Real comic shops near you sell this issue on eBay — from our directory:
Listings on eBay · clicking supports comicbooks.com

Read it digitally

DC Universe Infinite DC’s subscription reader Amazon Kindle Buy the digital edition
Opens a search on each platform — digital availability varies by title.

Sell my copy

Have this issue — or a whole collection? Get a fair offer from us, skip the marketplace fees and the hassle.

We Buy Collections ▸
Fast, fair offers · we handle grading & shipping

Full credits

artist, inker George Tuska
letterer Ben Oda
cover pencils, inks Nick Cardy

Reprints

Reprinted in Aventures Fiction #40 (1975), Névrose #15 (1987)

Key issues in Challengers of the Unknown

Reviews

Reader reviews

No reader reviews yet.