| Issue | #75 |
| Published | August-September 1970 |
| Cover Price | 0.15 |
| Pages | 36 |
| Editing | Murray Boltinoff |
| Notes | Art reprinted from Showcase (DC, 1956 series) #7 with a new frame. Art credits for frame from Nick Caputo via the GCD Error List (31 January 2005). Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories. |
| Genre | adventure |
| Pencils | George Tuska; Jack Kirby |
| Inks | George Tuska; ? |
| Notes | Art reprinted from Showcase (DC, 1956 series) #7 with a new frame. Art credits for frame from Nick Caputo via the GCD Error List (31 January 2005). Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories. |
| Genre | adventure |
| Script | Jack Kirby |
| Pencils | Jack Kirby (new frame by George Tuska) |
| Inks | Jack Kirby? |
| Reprinted | from Showcase (DC, 1956 series) #7 |