| Cover Artist | Kurt Schaffenberger |
| Inker | C. C. Beck |
| Penciler | C. C. Beck |
| Writer | Otto Binder |
| Original Publisher | Fawcett Publications, INC |
| Genre | Superhero |
| Published in | New York, New York |
| Pages | 28 |
| Characters | Captain Marvel (Billy Batson) (Earth S), Mary Marvel (Mary Batson) (Earth S) |
| Story Location | Earth-S: USA; A coal mine in an unknown American city, New York: New York City; Manhattan, United Nations Building, India; A small European nation, Antarctica |
| Collects | "Capt. Marvel's Most Difficult Task", "The Triton and the Tunnel" |
| Links | Issue link · Reprint link · Reprint link |
| Notes | Reprinted Issues:
1st story: Captain Marvel Adventures Vol 1 #149, October, 1953; "Captain Marvel's Most Difficult Task"
2nd story: Marvel Family Vol 1 #19, January, 1948; Mary Marvel, "The Triton and the Tunnel" |
