Major Key
Action Comics #241
First appearance of the Fortress of Solitude in its classic Silver Age form.
View key issue guideMarvel & DC Key Comic Issues
Explore 122 collector guides covering major and minor Marvel & DC comic milestones.
DC Key Comic Issues
Browse DC key issues across the characters represented in the SLABS N’ STACKS comic database.
122 DC key issues
Major Key
Action Comics #242
First appearance of Brainiac and the bottled city of Kandor.
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Major Key
Superman #123
Early prototype appearance that helped lead to the Silver Age Supergirl concept.
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Major Key
Wonder Woman #98
Beginning of the Silver Age reworking of Wonder Woman’s origin and mythology.
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Major Key
Adventure Comics #260
Silver Age origin establishing Arthur Curry's Atlantean heritage.
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Major Key
Showcase #22
First appearance of Hal Jordan and the Silver Age Green Lantern concept.
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Major Key
The Brave and the Bold #25
First appearance of the original Suicide Squad.
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Major Key
Wonder Woman #105
Introduces Wonder Girl as a younger version of Diana in a key Silver Age development.
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Major Key
The Brave and the Bold #28
First appearance of the Justice League of America.
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Major Key
The Flash #123
'Flash of Two Worlds' establishes DC's multiverse concept.
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Minor Key
Action Comics #285
Superman publicly introduces Supergirl to the world.
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Major Key
Wonder Woman #178
Beginning of Diana Prince’s depowered mod-era reinvention.
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Major Key
Green Lantern #76
Beginning of the landmark Green Lantern/Green Arrow social-issues run.
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