| Issue | #20 |
| Published | June 1991 |
| Cover Price | 2.00 |
| Pages | 36 |
| Editing | Brian Augustyn |
| Pencils | Eduardo Barreto |
| Inks | Eduardo Barreto |
| Script | Elliot S! Maggin |
| Pencils | Rod Whigham |
| Inks | Gerry Fernandez |
| Colors | Anthony Tollin |
| Letters | Albert DeGuzman |
| Notes | GS: Margo Lane, Albert Einstein, Mrs. Albert Einstein; V: Adolf Hitler, Haartz (I, D), Nazis. Takes place September, 1936. |