INTRODUCING THE KRYPTONITE KLAW! Superman is vulnerable to Kryptonite, but what happens when other dangerous superhumans are exposed to it? If Superman wants to stop Metropolis's newest enemies, he must uncover Lex Luthor's secret past!

Huntress's journey through time comes to a head as the person chasing her through the timeline has finally caught up to her. Is the end of the line for Helena Wayne?