Both Squads are composed of aliens from the planet Wexr II, whom Superboy had prevented from achieving galactic conquest.
[4] They appeared briefly in the 1963 story Superman Red/Superman Blue storyline (July 1963), which takes place in an alternate universe.
The group attempt to attack Earth alongside Brainiac, but reform after being struck by Superman's anti-evil rays.
The new Squad is established by Morgan Edge, who assembles various characters with a grudge against Superman and attempts to frame Lex Luthor as their leader.
In Action Comics #736 (August 1997), Edge assembles another version of the team, consisting of Barrage, Parasite, and Rock.