Object label
Marvel · Comics · Sub-Mariner · 1970
It had to happen! Atlantis invades the surface world! But -- which side is Namor on?
Why collectors care
Sub-Mariner #21 belongs to a comics graph built around publisher, series, issue number, characters, creators like Artie Simek, Johnny Craig, and Marie Severin, and story context. The important part is not just the issue record, but how it connects into runs, appearances, and adjacent covers.
Collector summary
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Sub-Mariner #21 is a comics collectible connected to Marvel and Sub-Mariner. Useful collector signals include release year 1970, issue #21, and artist context from Artie Simek, Stan Lee, and Marie Severin. Sub-Mariner has 12 catalogued releases on GrailHub, making this page a route into completion, variants, and nearby objects.
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Collector notes
Sub-Mariner #21 is a comics entry for issue #21 in Sub-Mariner from 1970. GrailHub tracks publisher, series, issue number, cover date, creators, characters, and first appearances where that data is available.
Marvel pages connect this issue back to its publisher, series, creators, and related issues. For comic collectors, those links matter because discovery often starts with a character, creative team, first appearance, or a run of issues rather than one isolated record.
Characters associated with this issue include Diane Newell, Dorma, Namor, Thing, Vashti, and Warlord Seth.
Series context
Sub-Mariner
Sub-Mariner groups related comics entries from Marvel, so collectors can move from this object into nearby releases instead of treating it as a standalone record.
- Catalogued here
- 12 objects
- Release span
- 1970
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Collection tracking
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Quick facts
- Publisher
- Marvel
- Series
- Sub-Mariner
- Issue number
- #21
- Cover date
- Jan 1, 1970
- Characters
- Diane Newell, Dorma, Namor, Thing, Vashti, Warlord Seth
- Creators
- Artie Simek, Johnny Craig, Marie Severin, Roy Thomas, Stan Lee
Market snapshot
Not marketplace, just context
- Retail price
- Not tracked
- Current estimate
- Not tracked
- Sold out / retired
- Lifecycle unknown
- Source
- BrickEconomy
- Last updated
- Not refreshed yet
Market data is informational and may be incomplete. GrailHub is not a marketplace or appraisal service.
Data source
- Source
- Metron
- Source ID
- 49197
- Source URL
- View on Metron
Comic data provided by Metron.
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