On July 29 Randy Pitchford tweeted that more news about the fourth DLC is coming soon.

Hyperion

Interplanetary Ninja Assassin

from patch 1.31 thanks to Zach411

"Greetings. This is Mr. Blake, Senior VP in charge of Mercenary Relations and Tourism for the Hyperion Corporation. You know, the company whose troops you just ruthlessly slaughtered. I like that; it shows initiative. Meet me at the Hyperion Tourist and Information Center, and I'll make it worth your while."

Features

• Little is known about this DLC at this point.