"Divide and Conquer"
Triangle 1992-12. Continued from Adventures of Superman (1987) #488 and continues in Superman: The Man of Steel #10.
With his strike team now on Warworld, Superman begins to gain an edge against Brainiac's army -- until Brainiac begins taking control of Superman's super warriors. Batman's team on Earth, now aided by Team Luthor and Metropolis S.C.U. get control of the Warworld invaders.