| Issue | #20 |
| Published | January-February 1943 |
| Cover Price | 0.10 |
| Pages | 68 |
| Editing | [Whitney Ellsworth, Jack Schiff] |
| Notes | Supermen of America page lists DC staffers who have recently entered the military: Mort Weisinger, Murray Boltinoff, Ed Kenney (art Dept),Jack Lehti, George Papp, Bernie Klein, Fred Ray, and Lee Harris. Story title by Craig Delich (Feb. 2006). |
| Characters | Superman |
| Genre | superhero |
| Pencils | Jack Burnley |
| Inks | Jack Burnley |
| Notes | Supermen of America page lists DC staffers who have recently entered the military: Mort Weisinger, Murray Boltinoff, Ed Kenney (art Dept),Jack Lehti, George Papp, Bernie Klein, Fred Ray, and Lee Harris. Story title by Craig Delich (Feb. 2006). |
| Reprinted | in Superman From the Thirties to the Eighties (Crown Publishers, Inc., 1983 series) #nn; in Superman Archives (DC, 1989 series) #5 (2000) |
| Characters | Superman [Clark Kent]; Ironjaw Grogan (villain; introduction), Lois Lane; Perry White; Luthor (cameo; villain); Puzzler (cameo; villain); Prankster (cameo; villain); Adonis (cameo; villain); Ultra (cameo; villain); Bruce Wayne (cameo); Dick Grayson (cameo) |
| Synopsis | A practical joke by Lois exposes Clark's secret identity, forcing Clark Kent to "masquerade" as Superman. |
| Genre | superhero |
| Script | Jerry Siegel [as Siegel] (signed) |
| Pencils | Ed Dobrotka [as Shuster] (signed) |
| Inks | John Sikela [as Shuster] (signed) |
| Notes | Newspaper text on splash mentions Ed Dobrotka, Wayne Boring, Whitney Ellsworth, Harry Donenfeld, & Jack Liebowitz. Superman has a yellow "S" on his cape. |
| Reprinted | in Superman Archives (DC, 1989 series) #5 (2000) |
| Characters | Superman [Clark Kent]; Lois Lane; Tom; Adolf Hitler (villain); Herr Fange (villain; introduction; dies) |
| Synopsis | A German inventor creates an army of Nazi controlled sea serpents that Hitler plans on using against Allied convoys. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | Ed Dobrotka (signed as Joe Shuster) |
| Inks | John Sikela (signed as Joe Shuster) |
| Reprinted | in Superman Archives (DC, 1989 series) #5 (2000) |
| Characters | Superman [Clark Kent]; Lois Lane; Perry White; Cal Johnson; Herman the Heroic [Herman Hoskins](introduction); The Leopard [Sam Kennedy](villain; introduction) |
| Synopsis | Superman has to deal with an ardent admirer who costumes himself and wants to help the Man of Tomorrow on his dangerous case against the Leopard. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | John Sikela (signed as Joe Shuster) |
| Inks | John Sikela (signed as Joe Shuster) |
| Reprinted | in Superman Archives (DC, 1989 series) #5 (2000) |
| Characters | Chesty McGurk |
| Genre | gag |
| Notes | This filler is NOT found in the Archive. |
| Genre | adventure |
| Script | Eric Carter (signed) |
| Letters | typeset |
| Notes | This text story is NOT found in the Archive. |
| Characters | Superman [Clark Kent]; Harlow Gates (dies); Jim Cameron; Peter Fellows; Philip Brandon; Jake Clymer; Morton Thornton; The Puzzler (villain) |
| Synopsis | The Puzzler, defeated in various card championships, vows to escape from prison and kill every one of the winners. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | Joe Shuster (signed) |
| Inks | John Sikela (signed as Joe Shuster) |
| Reprinted | in Superman Archives (DC, 1989 series) #5 |