Captain America (vol. 1) #136 (Apr. 1971):
“The World Below”
by Stan Lee, Gene Colan, Bill Everett

Captain America (vol. 1) #136

Title: “The World Below”

Medium: comic

Cover date: Apr. 1971

Publisher: Marvel
Written by: Stan Lee
Art by: Gene Colan, Bill Everett

15 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Captain America Captain America (Steve Rogers)
(lead character)
CBR Scale: I Protestant
Redeemers; Secret Defenders...  Marvel Timely 5,992
Falcon Falcon (Sam Wilson) hero
CBR Scale: S Baptist
black; SHIELD Super-Agents...  Marvel 531
Mole Man Mole Man (Harvey Elder) villain scientist
  [ruler of much of Subterranea] Marvel 297
The Monster Ape (Dr. Erik Gorbo) villain scientist
[used serum to transform himself to impress a woman]
Marvel 2
Nick Fury Nick Fury hero
CBR Scale: U secular
black; S.H.I.E.L.D....  Marvel 1,898
S.H.I.E.L.D. S.H.I.E.L.D. supporting character group
  [government agency; intelligence agency...] Marvel 1,188
Agent 13 Agent 13 (Sharon Carter) supporting character hero
CBR Scale: S Christian (denomination
Femme Force; S.H.I.E.L.D. Marvel 262
Redwing Redwing hero
CBR Scale: I N.A.
falcon; Pet Avengers
[falcon; partner of Falcon (Sam Wilson)]
Marvel 128
Moloids Moloids (Subterraneans) villain group
CBR Scale: R Moloid religion
[hidden race] Marvel 37
PFC Adams
(pg. 2-5, 17)
supporting character
  U.S. Army
[helped guard Project Earth Dig]
Marvel 3
Project Earth-Dig Project Earth-Dig supporting character group
  [SHIELD/military project to dig hole for radioactive waste] Marvel 2
Iron Man Tony Stark
(4-panel cameo, pg. 16-17)
CBR Scale: I futurist; technophile; mostly secular; sometimes prays; Alcoholics Anonymous
Force Works; Illuminati...  Marvel 5,673
(2-panel cameo, pg. 6, panels 1-2) 
supporting character
[unrequited love of Erik Gorbo (Monster Ape)]
Marvel 2
Dum Dum Dugan Dum Dum Dugan
(1-panel cameo, pg. 2, panel 3)
CBR Scale: I Catholic
Deadly Dozen; Godzilla Squad...  Marvel 555
King Kong King Kong
(mentioned, pg. 7, panel 1) 
lead character
CBR Scale: I N.A.
[gigantic ape]
RKO Radio Pictures 40