PROFESSOR HORTON

Marvel Comics #1

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

Oct 1939

No listings

Marvel Mystery Comics #2

Dec 1939

No listings

Marvel Mystery Comics #39"Smugglers of Death; The Case of the Blinding Lights; The Magic Glasses; Jane Had To Get Rough; The Shadow Army of Saboteurs Strikes; Dialogue of Death; The Case of the Fat Man's Folly; The Missing Fishermen"

Jan 1943

No listings

Marvel Mystery Comics #92

Earliest catalogued appearance of Witness (Twelve).

Jun 1949

No listings

Marvel Super-Heroes #20"This Man... This Demon!"

Earliest catalogued appearances of Abraham Erskine and Valeria (Latveria).

May 1969

No listings

Sub-Mariner #14"Burn, Namor... Burn!"

Jun 1969

No listings

Giant-Size Avengers #4

Jun 1975

No listings

What If? #4

Aug 1977

No listings

Saga of the Sub-Mariner #4

Feb 1989

No listings

The Official Handbook of the Marvel Universe #3"Eon to Hulk"

Earliest catalogued appearances of Phillip Moreau, Pipeline, and David Moreau.

Jul 1989

No listings

The Avengers Annual #21

Oct 1992

No listings

Marvel Age #130"Exclusive MARVELS Preview: The Secret Origin..."

Earliest catalogued appearance of Phil Sheldon.

Nov 1993

No listings

Marvels #1

Earliest catalogued appearance of Black Widow (Voyant).

Jan 1994

No listings

Marvels #0

Aug 1994

No listings

Marvel Universe #1"The Spoils of War!"

Jun 1998

No listings

Avengers / Invaders #3

Sep 2008

No listings

The Marvels Project #1

Oct 2009

No listings

The Marvels Project #2

Earliest catalogued appearance of John Steele.

Nov 2009

No listings

All-New Invaders #11

Dec 2014

No listings