in Superman (Egmont Ehapa, 1966 series) #14/1974 (6. Juli 1974), #14/1974 (6. Juli 1974), #14/1974 (6. Juli 1974)
in Gigant (Williams Förlags AB, 1969 series) #2/1975 (1975), #2/1975 (1975), #2/1975 (1975)
in Superman / Batman: Saga of the Super Sons (DC, 2007 series) #[nn] ([November] 2007)
in Superman Presents Wonder Comic Monthly (K. G. Murray, 1965 ? series) #114Batman's wife appears in the story, but her identity is not made clear. Feature bannered as "Superman Junior and Batman Junior" on splash page. The story also has two separate chapter titles: Part 2 - The Human Test Tube; Part 3 - Who the Killer, Who the Prey?