| Issue | #81 |
| Published | March-April 1956 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth (editor-in-chief); Jack Schiff (managing editor); Murray Boltinoff (associate editor); George Kashdan (associate editor) |
| Characters | Ka-Thur; Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson] |
| Genre | superhero |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Notes | Archives incorrectly lists Swan and Kaye. |
| Reprinted | in World's Finest Comics Archives (DC, 1999 series) #1; in Showcase Presents: World's Finest (DC, 2007 series) #1 |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lois Lane; Perry White; Ka Thar (spelled Ka-Thar on the cover); Shark Slaney |
| Synopsis | Ka Thar comes from the future, but his history book is inaccurate, so he forced Superman and Batman to redo some super-feats to match his history book. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | in 80 Page Giant (DC, 1964 series) #15 (October 1965); in World's Finest Comics Archives (DC, 1999 series) #1; in Showcase Presents: World's Finest (DC, 2007 series) #1 |
| Genre | teen; humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Notes | data supplied by Pat Lang |
| Genre | teen |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Notes | data supplied by Pat Lang 1/05 |
| Genre | superhero |
| Pencils | George Papp |
| Inks | George Papp |
| Genre | teen; humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Notes | Statement of Ownership on this page. Data supplied by Pat Lang 1/05 |
| Script | Jack Miller |
| Letters | typeset |
| Notes | data supplied by Pat Lang 1/05 |
| Genre | western; period |
| Pencils | Fred Ray |
| Inks | Fred Ray |