With the five fingerprints of Zod he had earlier extracted from Zod""s corpse, he gained access into the Fortress of Solitude (and its Genesis Chamber) in Heroes Park.She had learned from her doctor that the only cure for the "disease" of vertigo may be death.Midge offers him a prophetic warning:...only another emotional shock would do it, and probably wouldn""t.You""re not gonna go diving off another rooftop o find out!To "lick" his vertigo and to experiment and est out a theory, he tries different heights and progresses through hem one at a time."She suggested meeting him on her porch at midnight o carry out her plan, and warned him to not fall asleep.] He injected his wrist with the last remaining bit of Chimera culture ["using his own bloodstream as a petri dish"], and then made plans to travel from Sydney to Atlanta to deliver them safely [to the Center for Disease Control (CDC)], timing his trip so that it would take no longer than 20 hours (the time beyond which he couldn""t be saved by the cure).