Superman and Lex Luthor find themselves forced to work together—to a certain degree—against a much, much bigger threat when Brainiac sets his sights on Earth.
Superman
Lex Luthor
Lois Lane
Brainiac
Rick Flag Sr.
Hawkgirl
John Stewart
Jimmy Olsen
Eve Teschmacher
The Engineer
Guy Gardner
Mr. Terrific
Sydney Happersen
Supergirl
Blue Beetle
