Features Catalog Stores Pricing

The Collector

Know every issue. Keep every story. Built for collectors who want evidence, not hype.

Product

Features
Pricing
Catalog
New releases
Store directory

For stores

List your shop
Seller fees

Company

Help and contact
Privacy
Terms
Data sources
Copyright requests

© 2026 The Collector

Catalog data from Metron, the Grand Comics Database and cataloggd, licensed CC BY-SA 4.0. Cover images © their respective publishers, shown to identify each issue.

Sign in Start free

Adventure Comics #409 (1971) · The Collector

Catalog
Adventure Comics (1938)
#409

DC Comics#409

Adventure Comics

Previous issue, #408 All issues Next issue, #410

Adventure Comics #409

Invasion of the Mer-Men! Part 2 / Fight with Fire Drake / Part I: The Condemned Legionnaires! / Part II: The Secret of Satan Girl!

Publisher: DC Comics
Cover date: August 1971
On sale: Jun 29, 1971
Cover price: $0.25
Pages: 52
Rating: Approved by the Comics Code Authority

Add to collection Add to wishlist

Editions and variants

Cover, printing and newsstand or direct distribution are what make two copies of one issue different books.

1 recorded

Main editionMain
Printing not stated · $0.25
No barcode recorded

Credits

Writers: Mike Sekowsky, E. Nelson Bridwell, Edmond Hamilton
Pencillers: Mike Sekowsky, Art Saaf, Curt Swan
Inkers: Dick Giordano, George Klein, Sheldon Moldoff
Letterers

Sources

Grand Comics Database issue 24440

Catalog data from the Grand Comics Database is licensed CC BY-SA 4.0 and was normalized by The Collector. Cover images belong to their publishers.

After the female Legionnaires are struck by a mysterious Crimson Virus, Satan Girl wants to take their place. But when she attacks the girls, Supergirl tries to solve the mystery of who she is.

John Costanza, Milt Snapinn

Cover

Dick Giordano

Editor

Mike Sekowsky

Cover letters

Gaspar Saladino

Other

Joe Orlando

Characters

Alura
Beppo
Bouncing Boy
Brainiac 5
Chameleon Boy
Colossal Boy
Cosmic Boy
Fire Drake
Geoffrey Anderson
Johnny Drew
Krypto
Legion of Super-Heroes [Lightning Lass
Legion of Super-Heroes [Supergirl
Legion of Super-Pets [Comet
Lightning Lad
Lightning Lass
Mon-El
Night Girl
Phantom Girl
Polar Boy
Satan Girl
Saturn Girl
Shrinking Violet
Streaky
Sun Boy
Superboy
Supergirl
Triplicate Girl
Zor-El

No collectors have logged this issue yet.

Value

No value yet

We publish a value only when at least five collectors have recorded an anonymized price for a grade band, and always show how many. Logging what you paid helps.

Available at stores

No stores list this issue right now

Shops on The Collector post their shelves here. Add it to your wishlist and you will hear when a copy shows up.