| Issue | #18 |
| Published | December 11, 1942 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Rod Reed |
| Characters | Captain Marvel; Mary Marvel; Captain Marvel, Jr. |
| Genre | superhero |
| Pencils | C. C. Beck (painted) |
| Inks | C. C. Beck (painted) |
| Colors | C. C. Beck (painted) |
| Letters | typeset |
| Reprinted | in SHAZAM! AND THE SHAZAM FAMILY! ANNUAL (DC, 2002 series) #1; in Shazam! Family Archives, The (DC, 2006 series) #1 |
| Letters | typeset |
| Characters | Captain Marvel [Billy Batson]; Mary Marvel [Mary Batson Bromfield] (Billy Batson's twin sister, introduction, origin); Sterling Morris; Percy Pill; Sarah Primm (Billy and Mary's nurse, death); Guest Stars: Captain Marvel, Jr. [Freddy Freeman]; Shazam |
| Synopsis | Billy accidently discovers that a young girl, appearing on the Station W.H.I.Z. radio show, "The Mental Marvel Quiz," possesses half of a strange locket that he has the other half to, and that her former nurse confirms the fact that Billy and Mary are actually twins! |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Marc Swayze; Mac Raboy (Captain Marvel, Jr. figures) |
| Inks | Marc Swayze |
| Reprinted | in Shazam! (DC, 1973 series) #8; in Shazam from the Forties to the Seventies (Harmony Books, 1977 series) #nn; in Shazam! and the Shazam Family! Annual (DC, 2002 series) #1; in Shazam! Family Archives, The (DC, 2006 series) #1 |
| Genre | Gags |
| Pencils | ? |
| Characters | Captain Marvel [Billy Batson]; Steamboat |
| Genre | superhero |
| Pencils | C. C. Beck? |
| Inks | C. C. Beck? |
| Script | Carl Formes (signed) |
| Letters | typeset |
| Characters | Captain Marvel [Billy Batson] |
| Genre | superhero |
| Script | Alfred Bester? Marc Swayze? |
| Pencils | C. C. Beck? |
| Inks | C. C. Beck? |
| Notes | Swayze writer credit based on interview w/him in Alter Ego #56 (February, 2006), and added by Craig Delich. |
| Genre | fact |
| Inks | ? [as Joe Simon] (signed as Simon) |
| Letters | ?; typeset (some) |
| Characters | Captain Kidd |
| Script | Al Liederman |
| Pencils | Al Liederman |
| Inks | Al Liederman |
| Letters | Al Liederman |
| Notes | Letterer added by Craig Delich 2010-2-1. |
| Genre | fact |
| Notes | This filler says that over 7,000 Captain Marvel drawings are published annually. |
| Characters | Captain Marvel [Billy Batson]; Shazam; Steamboat; Tim Tucker; Professor Murder (villain, introduction) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | C. C. Beck? |
| Inks | C. C. Beck? |
| Characters | Captain Marvel Jr.; Bulletgirl |
| Pencils | ? (various) |
| Inks | ? various) |