Major Key
Guardians of the Galaxy #1 (2008)
First issue of the modern team series that inspired the film roster.
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
Amazing Spider-Man #637
Pivotal Grim Hunt chapter affecting the Madame Web mantle.
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Major Key
Justice League #1 (2011)
New 52 continuity establishes Cyborg as a Justice League founder.
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Major Key
Ultimate Fallout #4
First full appearance of Miles Morales as Spider-Man.
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Major Key
Captain Marvel #1 (2012)
Launch of Carol Danvers' defining Captain Marvel series.
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Major Key
Captain Marvel #17 (2013)
Kamala's powers and Ms. Marvel direction are teased.
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Major Key
All-New Captain America #1
Launch of Sam Wilson's first series as Captain America.
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Major Key
Captain America #25 (2014)
Sam Wilson formally becomes Captain America.
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Major Key
Ms. Marvel #1 (2014)
First full solo issue of Kamala Khan as Ms. Marvel.
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Major Key
Avengers #684
Bruce Banner’s Hulk returns, setting up the Immortal Hulk era.
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