First appearance
First appearances of popular heroes, villains and teams
Table:
Character(s)

First Appearance

Cover Date

Publisher

Estimated Value

Superman

Action Comics #1

June 1938

DC Comics

$2,100,000[1]

Batman

Detective Comics #27

May 1939

DC Comics

$475,000

Sandman (Wesley Dodds)

Adventure Comics #40

July 1939

DC Comics

$60,000

Namor the Sub-Mariner

Marvel Comics #1

October 1939

Timely Comics

$400,000

Jay Garrick/Flash I; Hawkman

Flash Comics #1

January 1940

All-American Pubs.

$95,000

Captain Marvel

Whiz Comics #2

February 1940

Fawcett Comics

$90,000

Robin

Detective Comics #38

May 1940

DC Comics

$75,000

The Spectre

More Fun Comics #52

February 1940

DC Comics

$72,000

Lex Luthor

Action Comics #23

May 1940

DC Comics

$8,025

The Joker; Catwoman

Batman #1

Spring 1940

DC Comics

$160,500[2]

Green Lantern

All-American Comics #16

July 1940

All-American Pubs.

$131,250

Captain America

Captain America Comics #1

March 1941

Timely Comics

$125,250

Aquaman; Green Arrow

More Fun Comics #73

November 1941

DC Comics

$10,050

Wonder Woman

All Star Comics #8

December 1941

All-American Pubs.

$60,000

Barry Allen/Flash II

Showcase #4

October 1956

DC Comics

$48,000[15]

The Justice League of America

The Brave and the Bold #28

May 1960

DC Comics

$8,127

The Fantastic Four

The Fantastic Four #1

November 1961

Marvel Comics

$28,896

The Hulk

The Incredible Hulk #1

May 1962

Marvel Comics

$21,672

Dr. Doom

The Fantastic Four #5

June 1962

Marvel Comics

$4,154

Spider-Man

Amazing Fantasy #15

August 1962

Marvel Comics

$45,150

Iron Man

Tales of Suspense #39

March 1963

Marvel Comics

$3,837

Doctor Strange

Strange Tales #110

July 1963

Marvel Comics

$3,500

X-Men; Magneto

X-Men #1

September 1963

Marvel Comics

$13,545

The Avengers

The Avengers #1

September 1963

Marvel Comics

$5,148

Daredevil

Daredevil #1

April 1964

Marvel Comics

$3,160

Teen Titans

The Brave and the Bold #54

July 1964

DC Comics

$415

The Punisher

The Amazing Spider-Man #129

February 1974

Marvel Comics

$15,000[16]

Wolverine

The Incredible Hulk #181

October 1974

Marvel Comics

$1600

Teenage Mutant Ninja Turtles

Teenage Mutant Ninja Turtles #1

May 1984

Mirage Studios

$2,400

Per the details in the following table concerning 'First appearance' (see 'First appearances of popular heroes, villains and teams'), write a one-sentence description of the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.