Batman Superman Worlds Finest #42 Cover B Michael Cho Card Stock Variant

A PLAGUE THREATENS BIZARRO WORLD! Escape from Bizarro World continues! Superman, Batman, and Robin--tracing a mysterious plague that is sweeping the planet--have found Patient Zero! The only cure for the Bizarros is to eradicate him--so how will the World's Finest Trio save an entire race without murdering a sentient being?