Prologue: 3 Months Later

War is on the horizon as Superman prepare his army for the invasion against the Green Laterans Corp. With very little hope remaining and Batman under mind control, it falls to Supergirl and a mysterious man to untie what remind of the fallen Insurgency to stop and defeat Brainiac Superman and his regimes and to restore peace and order to the world. However, with old and new wounds clashing, will it be enough? Or is Brainiac Superman truly unstoppable?