The X-Men (vol. 1) #42 (Mar. 1968):
“If I Should Die...!”
by Roy Thomas, Don Heck, George Tuska

The X-Men (vol. 1) #42

Title: “If I Should Die...!”

Medium: comic

Cover date: Mar. 1968

Publisher: Marvel
Written by: Roy Thomas
Art by: Don Heck, George Tuska

12 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Cyclops Cyclops (Scott Summers) hero
CBR Scale: ICBR Scale: S Protestant; mutant supremacist
X-Men; X-Factor...  Marvel 8,371
The Beast The Beast (Hank McCoy) hero scientist
CBR Scale: ICBR Scale: S Episcopalian; agnostic
The Avengers; X-Men...  Marvel 5,233
Phoenix Marvel Girl (Jean Grey) hero
CBR Scale: I Episcopalian
X-Men; X-Factor...  Marvel 1,905
Iceman Iceman (Bobby Drake) hero
CBR Scale: I Jewish Catholic
The Champions; X-Men...  Marvel 1,752
Angel Angel (Warren Worthington III) hero
CBR Scale: I Episcopalian
The Champions; X-Men...  Marvel 1,741
Grotesk Grotesk (Gor-Tok) villain
CBR Scale: S Gortokian religion
Gortokian Marvel 18
Changeling Professor X (Kevin Sydney) hero
  X-Men; Factor Three Marvel 23
Xavier Institute Xavier School for Gifted Youngsters supporting character group
  [high school] Marvel 373
X-Men X-Men hero group
  [1st app: The X-Men (vol. 1) #1 (Sep. 1963)] Marvel 9,958
Professor X Professor X (Charles Xavier)
(someone disguised or dressed as)
hero scientist
CBR Scale: S religious
X-Men (founder); Genoshan Excalibur...  Marvel 4,999
Dr. Hunt Dr. Hunt
(someone disguised or dressed as) 
supporting character scientist
  [tested seismic device which damaged Grotesk's realm] Marvel 1
Gortokians Gortokians
supporting character group
CBR Scale: M Gortokian religion
[hidden race] Marvel 1

Reprints of this comic:
X-Men (vol. 1) #90 (Oct. 1974): "If I Should Die...!"