Key Issue Comics

First appearances of Batman and James Gordon.

First appearance of Superman (Kal-L). First appearance of Lois Lane. Earliest catalogued appearances of Zatara, Tex Thompson, George Taylor, and 3 more.

First appearances of Archie Andrews, Betty Cooper, and Jughead Jones. Earliest catalogued appearances of Fred Andrews, Mary Andrews, Alice Cooper, and 1 more.

First appearance of Veronica Lodge.

First appearance of Spider-Man. Earliest catalogued appearances of Aunt May, Flash Thompson, Liz Allan, and 2 more.

Wolverine: First full appearance. Cameo on the last page of #180.

First appearances of Captain America and Red Skull.

First appearance of Iron Man.

First appearance of Reggie Mantle.

First appearance of Wonder Woman. Earliest catalogued appearances of Steve Trevor, Hippolyta, and Mala.

First appearance of Robin (Dick Grayson). Earliest catalogued appearance of Anthony Zucco.

First appearance of the Mighty Thor. Earliest catalogued appearance of Korg.

First appearances of Thing, Human Torch, Mister Fantastic, and 1 more. Earliest catalogued appearances of Mole Man and Giganto (Mole Man).

First appearances of Cyclops, Beast, Jean Grey, and 3 more. Earliest catalogued appearance of Warren Worthington III.

First appearance of Hulk. Earliest catalogued appearances of Rick Jones, Thunderbolt Ross, Betty Ross, and 1 more.

First appearances of Storm, Colossus, and Nightcrawler. Earliest catalogued appearances of Magik, Thunderbird (John Proudstar), and Krakoa.

Earliest catalogued appearance of Alfred Pennyworth.

First appearance of Green Lantern (Hal Jordan). Earliest catalogued appearances of Carol Ferris and Abin Sur.

First appearances of Aquaman and Green Arrow. Earliest catalogued appearances of Roy Harper and Tom Curry.

First appearance of Doctor Strange. Earliest catalogued appearances of Wong, Nightmare, Ancient One, and 1 more.

First appearance of Batgirl (Barbara Gordon).

First appearance of Hawkeye.

Earliest catalogued appearances of Mister Weatherbee and Dilton Doiley.

Earliest catalogued appearance of Jimmy Olsen.

First appearance of Daredevil. Earliest catalogued appearances of Foggy Nelson and Karen Page.

First appearance of Martian Manhunter.

First appearance of the Flash (Barry Allen). Earliest catalogued appearance of Iris West Allen.

First appearance of Namor. Earliest catalogued appearances of Jim Hammond, Dorma, Angel, and 5 more.

First appearance of Lex Luthor. Earliest catalogued appearance of Black Pirate.

First appearance of Wally West. Earliest catalogued appearance of Weather Wizard.

Mary Jane Watson: First full appearance. Her face is deliberately hidden in #25 and #38.

First appearance of Nick Fury. Earliest catalogued appearances of Dum Dum Dugan, Gabriel Jones, Izzy Cohen, and 4 more.

First appearance of Carol Danvers. She becomes Ms. Marvel in Ms. Marvel #1.

First appearance of Black Canary (Dinah Drake).

Earliest catalogued appearance of Hiram Lodge.

First appearance of Scarlet Witch. Earliest catalogued appearances of Quicksilver, Toad, and Mastermind.

First appearance of Perry White.

First appearance of Emma Frost. The series was still titled X-Men at #129; it became Uncanny X-Men later. Earliest catalogued appearances of Kitty Pryde and Sebastian Shaw.

First appearance of Tim Drake, the third Robin. Earliest catalogued appearance of Jack Drake.

First appearance of Vision.

First appearance of Rogue, then a member of the Brotherhood. Earliest catalogued appearance of Madelyne Pryor.

First appearance of Hank Pym. He returns as Ant-Man in Tales to Astonish #35.

First appearance of Doctor Doom.

First appearance of Wasp.

Earliest catalogued appearances of Judge Dredd, Judge Anderson, Judge Death, and 1 more.

First appearance of Black Panther.

Earliest catalogued appearances of Miss Grundy and Captain Commando.

First appearance of Black Widow (Natasha Romanova).