Comic Title: Captain Marvel Adventures #18
Publisher: Fawcett
Cover Date: December 11, 1942
On Sale Date: November 13, 1942 Copyright Date November 13, 1942
Source: Library of Congress, Periodicals 1942

Cover Price: $0.10
Page Count: 64
Editor: Rod Reed

Title: "Captain Marvel Introduces Mary Marvel"
Pages: 13

Feature(s):
Captain Marvel (of Earth-S)

Writer: Otto Binder
Artist: Marc Swayze

Reprinted In:
Shazam #8 (1973)
Shazam from the Forties to the Seventies HC (1977)
Shazam and the Shazam Family Annual #1 (2002)
Shazam Family Archives Vol. 1 HC (2006)
Shazam:A Celebration of 75 Years HC (2015)

Feature Character(s)

• Captain Marvel (last appearance in Whiz Comics #37; next appearance in Captain Marvel Adventures #18)

Guest Star(s)

• Marvel Family (first team appearance; next appearance in All-Star Squadron #36)
• Mary Marvel (origin and first appearance; next appearance in All-Star Squadron #36)
• Captain Marvel, Jr. (last appearance in Master Comics #33; next appearance in All-Star Squadron #36)

Supporting Character(s)

• Shazam (last appearance in Captain Marvel Adventures #12; next appearance in Captain Marvel Adventures #18)