Major Key
Avengers #144
Hellcat joins the Avengers during a key stage in Patsy Walker’s superhero transformation.
View key issue guideMarvel & 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
Eternals #1 (1976)
First appearance of the Eternals and their mythology.
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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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Major Key
Daredevil #158
Frank Miller begins his influential run as Daredevil’s regular penciller.
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Major Key
DC Comics Presents #26
First appearance of Victor Stone/Cyborg in the New Teen Titans preview.
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Major Key
The New Teen Titans #1
Cyborg becomes a founding member of the celebrated New Teen Titans team.
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Major Key
Daredevil #168
First appearance of Elektra and start of Frank Miller's defining era.
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Major Key
Uncanny X-Men #150
Landmark Magneto story that deepens his motivations.
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