| Issue | #55 |
| Published | January 1951 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Wendell Crowley |
| Characters | Captain Marvel [Billy Batson]; Captain Marvel, Jr. [Freddy Freeman]; Mary Marvel [Mary Batson] |
| Genre | superhero |
| Pencils | Kurt Schaffenberger |
| Inks | Kurt Schaffenberger |
| Characters | Captain Marvel [Billy Batson]; Captain Marvel, Jr. [Freddy Freeman]; Mary Marvel [Mary Batson]; The City Sinker [Bart Kranz] (first appearance; villain) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Kurt Schaffenberger |
| Inks | Kurt Schaffenberger |
| Genre | humor |
| Script | Howard Boughner |
| Pencils | Howard Boughner |
| Inks | Howard Boughner |
| Characters | Mary Marvel [Mary Batson]; King Krag (first appearance; villain) |
| Genre | superhero |
| Script | Otto Binder |
| Characters | Captain Marvel, Jr. [Freddy Freeman]; Prof. Edgewise; The Beastman [Sir Reginald Framingham] (first appearance; villain) |
| Genre | superhero |
| Script | Otto Binder? |
| Notes | story "borrows" from Dr. Jekyll and Mr. Hyde |
| Genre | Gags |
| Script | Al Liederman |
| Pencils | Al Liederman |
| Inks | Al Liederman |
| Script | Morgan Trent |
| Letters | typeset |
| Characters | Captain Marvel [Billy Batson]; Governor Kooblah (first appearance; villain; death) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | C. C. Beck |
| Inks | C. C. Beck |