But they're still having problems with a disease we wiped out 40 years ago? Chalk up one for Earth-Us.
Maybe it was space smallpox? Or Luthor's attempt to mutate a kryptonite-based smallpox to take out Superman got out?? Or...?
From Action Comics #987 (2017)
1 comment:
I'm going to say anti-vaxxers successfully spread rumors the smallpox vaccine was created by the Joker.
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