Marvel & DC Key Comic Issues
Explore 345 collector guides covering major and minor Marvel & DC comic milestones.
345 published key issues
Major Key
Captain America #180
Steve Rogers abandons the Captain America identity and becomes Nomad.
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Minor Key
Doctor Strange #1 (1974)
Launch of Doctor Strange's first series under his own title.
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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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Minor Key
Marvel Preview #2
Early solo Punisher feature expanding Frank Castle's background.
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Major Key
Avengers #144
Hellcat joins the Avengers during a key stage in Patsy Walker’s superhero transformation.
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Major Key
Eternals #1 (1976)
First appearance of the Eternals and their mythology.
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Minor Key
Eternals #2 (1976)
Early expansion of the Celestials and Eternals concept.
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Major Key
Howard the Duck #1 (1976)
Launch of Howard's first solo ongoing series.
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Major Key
X-Men #101
Jean Grey emerges as Phoenix, beginning a major transformation that reshapes the X-Men’s cosmic storylines.
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Major Key
Detective Comics #474
Deadshot returns with the visual identity that becomes his classic look.
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Major Key
Ms. Marvel #1 (1977)
Launch of Carol Danvers’ first Ms. Marvel solo series, establishing her superhero identity and supporting cast.
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Major Key
Amazing Spider-Man #194
First appearance of Felicia Hardy, the Black Cat.
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Minor Key
Avengers #181
Scott Lang appears shortly before taking on the Ant-Man identity.
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