It's one thing to destroy Superman, Supergirl, the bottle city of Kandor, and all Kryptonian intellectual property, but KRYPTO MUST BE PROTECTED AT ALL...
The Blackhawks stumble their way through defeating Mr. Quick-Change, who manages to conceal his true identity through the clever use of *checks notes* a...
Can it be? Superman choke DEAD?!? We may never know, because the super-scientific civilzation that killed him him neglected to back up their data....