CATALOG RECORD

Sub-Mariner #21

Marvel · Series began 1968 · January 1970

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Dates

Cover date: January 1970
On sale: October 7, 1969
Pages: 36

Editions and covers (2)

Copies of #21 are not all the same book. Here is how to tell each one apart.

Original edition15¢ cover
Source ↗
UK pence edition1/- [0-1-0 GBP] cover

British

Printed cover price 1/- [0-1-0 GBP].
This edition’s page

Creators

pencils: Marie Severin, Sal Buscema, Jack Kirbyinks: Johnny Craig, Bill Everett, Sam Grainger, Mike Espositocolors: Marie Severinletters: Sam Rosen, Artie Simekscript: Roy Thomas, Stan Lee

Stories

Invasion from the Ocean Floor! · 20 pages
With a city wide dragnet being used to capture the Sub-Mariner, Lady Dorma decides to send the Atlantean army to attack New York City to rescue Namor. Namor tries to alleviate the situation, but Lord Seth uses the Proteus Horn to call forth three giant turtle monsters to attack. Namor tries desperately to fight the monsters off and convince everyone that war is not the answer. Realizing this, Seth then uses to horn to call off the giant turtles but gets killed when he inadvertently gets buried by an undersea quake alongside the monsters.

Reprinted in

Spider-Man Comic (1979), Namor, the Sub-Mariner Epic Collection (2021), Marvel Masterworks: The Sub-Mariner (2004)