PublishersSeriesCreatorsMarketplaceRemarquesRemarqued marketplace listingsFree ComicsNew ReleasesOn SaleHubsRedeem
NEON ICHIBAN
NEON ICHIBAN
HubsHubs
NEON ICHIBAN

Browse

  • New Releases
  • Publishers
  • Series
  • Creators
  • Marketplace
  • Remarques
  • Pre-Orders
  • Search

Publishers

  • DC Comics
  • Marvel Comics
  • Kodansha
  • DSTLRY
  • Dark Horse Comics
  • Oni Press
  • Mad Cave Studios
All HubsPre-Order HubCreator PortalCommunity
AboutFAQTermsPrivacySupport

2026 Neon Ichiban. All rights reserved.

NEON ICHIBAN

Your digital comics platform. Discover, collect, and read comics from top publishers.

FacebookInstagramX (Twitter)LinkedInBlueSkyReddit

Browse

  • New Releases
  • Publishers
  • Series
  • Creators
  • Marketplace
  • Remarques
  • Pre-Orders
  • Search

Publishers

  • DC Comics
  • Marvel Comics
  • Kodansha
  • DSTLRY
  • Dark Horse Comics
  • Oni Press
  • Mad Cave Studios

Hubs

  • All Hubs
  • Pre-Order Hub
  • Creator Portal
  • Community

Company

  • About
  • Blog
  • FAQ
  • Terms of Service
  • Privacy Policy

Support

  • Help Center
  • Contact Support
  • Redeem Code
  • My Collection
  • My Profile
Terms and ConditionsPrivacy PolicyAboutFAQ

© 2026 DSTLRY Media, Inc.

NEON ICHIBAN
NEON ICHIBAN
Sign upLog in

Browse

New ReleasesOn SaleFree ComicsMarketplaceRemarques

Discover

PublishersSeriesCreators
HubsRedeem

Action Comics #21 (DC, 1940 — Cover A)

Home/DC Comics/Action Comics·Completed

Action Comics #21

A·Joe Shuster

Home/DC Comics/Action Comics·Completed

Action Comics #21

A·Joe Shuster

13 Pages· 12+· eng· 1940-02-06
allowedResellableallowedRemarque-ablenot allowedDownloadable
(0)Be the first →
Marketplace Only

About This Issue

Superman takes to the high seas to battle the evil Ultra-Humanite by defeating an air attack and discovering Ultra's secret hidden base inside a live volcano, but the cunning Ultra-Humanite has rigged the city of Metropolis with an atomic explosive device.

Creators

Cover ArtistJoe ShusterWriterKen FitchWriterGardner FoxWriterJerry SiegelPencillerBernard BailyPencillerBert ChristmanPencillerHomer FlemingPencillerFred GuardineerPencillerSheldon Moldoff

Marketplace Listings

More from DC ComicsAction Comics seriesGardner Fox (Writer)Ken Fitch (Writer)Jerry Siegel (Writer)Joe Shuster (Penciller)Fred Guardineer (Penciller)Bernard Baily (Penciller)Sheldon Moldoff (Penciller)Homer Fleming (Penciller)Bert Christman (Penciller)Fred Guardineer (Inker)Bernard Baily (Inker)Sheldon Moldoff (Inker)Homer Fleming (Inker)Bert Christman (Inker)Joe Shuster (Inker)Joe Shuster (Cover Artist)Action Comics #861Action Comics #855Action Comics #856Action Comics #876Action Comics #883Action Comics #886Action Comics #845Action Comics #852Action Comics #348Action Comics #860Action Comics #854Action Comics #896