List of Marvel Comics first appearances

This article contains a list of the first appearances of significant artifacts, characters, locations, species and teams in Marvel Comics, its predecessors Timely Comics and Atlas Comics, and imprints.

• Features of the Marvel Universe
• List of alien races in Marvel Comics
• List of Marvel Comics Golden Age characters
• List of Marvel Comics publications
• List of Marvel Comics superhero debuts
• List of Marvel Comics teams and organizations
• List of monsters in Marvel Comics
• List of superhero debuts
• Publication history of Marvel Comics crossover events

• Appendix to the Handbook of the Marvel Universe features only obscure characters
• Marvel Comics official site
• Marvel Directory
• Marvel Guide: An Unofficial Handbook of the Marvel Universe