| Issue | #20 |
| Published | September-October 1975 |
| Frequency | bi-monthly |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | Julius Schwartz; E. Nelson Bridwell (associate editor) |
| Characters | Marvel Family [Captain Marvel [Billy Batson]; Captain Marvel, Jr. [Freddy Freeman]; Mary Marvel [Mary Batson]] |
| Genre | superhero |
| Pencils | Kurt Schaffenberger |
| Inks | Kurt Schaffenberger |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007] |
| Reprinted | In Showcase Presents Shazam (DC, 2007 series) #1 |
| Pencils | Curt Swan |
| Inks | Vince Colletta |
| Notes | Hostess Twinkies ad |
| Characters | Marvel Family [Captain Marvel [Billy Batson]; Captain Marvel, Jr. [Freddy Freeman]; Mary Marvel [Mary Batson]]; Maxwell Zodiac; Sterling Morris; Miss Selma Bridges; Miss Joan Jameson (cameo); Dr. Thomas Kilowatt (cameo); Arson (a dragon) |
| Synopsis | The Marvel Family investigates what happened to Maxwell Zodiac after he was hit by lighting. |
| Genre | superhero |
| Script | Elliot S! Maggin |
| Pencils | Kurt Schaffenberger |
| Inks | Kurt Schaffenberger |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics [May 2008]. |
| Reprinted | In Showcase Presents Shazam (DC, 2007 series) #1 |
| Script | E. Nelson Bridwell |
| Letters | typeset |