By Rob Lenihan Call of Duty’s owner is looking for new worlds to conquer as it contends with internal controversies, labor unrest and its acquisition by Microsoft. Amid a multi-billion acquisition and a series of controversies, Activision Blizzard (ATVI) – Get Activision Blizzard, Inc. Report is looking to write a new chapter. The computer game company’s Blizzard Entertainment announced on Twitter Tuesday that it is working on a new survival game, its first since Overwatch in 2016. ‘Every Story Needs a Teller'”We’re building a new survival game,” the company said. “Join us in writing our new c…