Marvel & DC Key Comic Issues
Explore 279 collector guides covering major and minor Marvel & DC comic milestones.
Major Key Comic Issues
Browse major milestones, debuts and defining comic-book keys.
279 major key issues
Major Key
Amazing Spider-Man #121
Death of Gwen Stacy, a landmark Spider-Man story.
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Major Key
Captain America #168
First appearance of Helmut Zemo, later Baron Zemo.
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Major Key
Iron Man #55
First appearance of Thanos, Drax the Destroyer, Starfox and Mentor.
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Major Key
Tomb of Dracula #10
First appearance of Blade, the vampire hunter who becomes one of Marvel’s defining supernatural heroes.
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Major Key
Wonder Woman #204
Wonder Woman returns to her classic powers and costume after the mod era.
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Major Key
Captain America #180
Steve Rogers abandons the Captain America identity and becomes Nomad.
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Major Key
Master of Kung Fu #17
Title transition that establishes Shang-Chi's long-running solo feature.
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Major Key
Giant-Size X-Men #1
Wolverine joins the new international X-Men roster.
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