Brainiac 5 has the Legion send him back to the 21st century to stop the chronal rifts and prevent his ancestor from killing Superman
Superman: Last Stand of New Krypton: Unify
Before heading to Brainiac's ship, the heroes try to get the Kryptonians to work together to defeat Brainiac's probes.
Awake, Part 2 of 3
To secure her position as mole within Sam Lane's operation, Car-Vex betrays a friend and fellow Phantom Zone survivor