| Issue | #20 |
| Published | January 1940 |
| Cover Price | 0.10 |
| Pages | 68 |
| Editing | Vincent Sullivan |
| Notes | Sunday strip begins 11/5/39; Superman 3 on sale 11/39. |
| Characters | Superman |
| Genre | superhero |
| Pencils | Joe Shuster |
| Inks | Joe Shuster |
| Letters | typeset |
| Notes | Sunday strip begins 11/5/39; Superman 3 on sale 11/39. |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #1. |
| Characters | Superman [Clark Kent]; George Taylor (unnamed); Dolores Winters [D]; V: Ultra-Humanite. |
| Synopsis | After Clark Kent saves Dolores Winters from harm, he is granted a special interview. When that interview is cancelled and she kidnaps a boatload of wealthy citizens, Superman intervenes and discovers that Ultra has had his mind transplanted into her body. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | Joe Shuster (signed) |
| Inks | Paul Cassidy |
| Notes | The last panel of the story is an illustrated ad for Sandman in Adventure Comics and Batman in Detective Comics. Modified synopsis and note added by Craig Delich 8-16-08. |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #1. |
| Genre | fact |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Genre | humor |
| Pencils | Bob Kane |
| Inks | Bob Kane |
| Characters | Pep Morgan |
| Genre | adventure |
| Script | Gardner F. Fox |
| Pencils | Fred Guardineer (signed as Gene Baxter) |
| Inks | Fred Guardineer (signed as Gene Baxter) |
| Notes | Writer credit added by Craig Delich 8-16-08. |
| Characters | Chuck Dawson |
| Genre | adventure |
| Pencils | Homer Fleming |
| Inks | Homer Fleming |
| Characters | Clip Carson |
| Genre | adventure |
| Script | Bill Finger |
| Pencils | Bob Kane |
| Inks | Bob Kane |
| Genre | adventure |
| Script | Frank Thomas (signed) |
| Letters | typeset |
| Characters | Tex Thomson |
| Genre | adventure |
| Script | Ken Fitch? |
| Pencils | Bernard Baily (signed) |
| Inks | Bernard Baily (signed) |
| Letters | Bernard Baily |
| Notes | Letterer credit added by Craig Delich 8-16-08. |
| Characters | Three Aces: Fog Fortune, Gunner Bill & Whistler Will. |
| Genre | adventure |
| Pencils | Bert Christman (signed as Christopher) |
| Inks | Bert Christman (signed as Christopher) |
| Genre | fact |
| Script | George Papp |
| Pencils | George Papp |
| Inks | George Papp |
| Notes | Writer credit added by Craig Delich 8-16-08. |
| Characters | Zatara |
| Genre | occult |
| Script | Gardner F. Fox |
| Pencils | Fred Guardineer |
| Inks | Fred Guardineer |