Superman contacted the Watchtower immediately, "J'onn I need you to beam me up."

"Locking onto your location now."

Moments later, with flash of light, Superman was gone. As he stepped off the transporter pad, the Martian Manhunter could see the earnest look of concern on his face. J'onn J'onzz, better known as the Martian Manhunter, was the coordinator of the Justice League. From the Watchtower, J'onn was able to survey the Earth and monitor the League's activities. With the League having grown so much in size, it made sense to have someone in charge of directing groups of heroes to various crises around the globe. Superman believed J'onn to be the League member most similar to him, given that they were both the last of an extinguished race. However, the recent revelation about the existence of Kandor had thrown that belief into doubt. 

"I fear the Watchtower may soon become compromised, we need to be on full alert," said Superman. 

Just moments after he spoke, the Watchtower's surveillance system lit up. An armada of ships emerged from hyperspace, and began to close in on the Justice League headquarters. At the front of the fleet, was a ship in the shape of a [url=http://img2.wikia.nocookie.net/__cb20130715113629/marvel_dc/images/5/5a/Brainiac's_Skull_Ship_002.jpg]skull[/url].