| Release: | Feb 1968 |
| Cover: | Feb 1968 |
The Jekyll-Hyde Heroes
| Release: | Feb 1968 |
| Cover: | Feb 1968 |
| Cover Artist | Curt Swan |
| Inker | George Klein |
| Batman | Bruce Wayne |
| Superman | Kal-El / Clark Kent |
| Two-Face | Harvey Dent |
| Kralik |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Superman / Batman |
| Genre | Action | Adventure | Super-Heroes |
| Country | USA |
| Language | English |