Justice League: Age of Wonder (2003-) #2

The thrilling conclusion to this Elseworlds miniseries set during the Industrial Revolution! There's a dark side to the utopian world Superman has helped create, and now, on the eve of a world war, Lex Luthor has discovered the means to hold all humanity hostage—and to destroy the entire planet if they don't help him realize his dreams of power! With Superman gone, can the League of Science prevent Luthor from using their technology to exterminate mankind?