That's one of the central questions facing the company as it looks to complete the acquisition, combining its Xbox and Windows PC gaming businesses and studios with iconic Activision Blizzard franchises such as Warcraft Diablo, Overwatch, Call of Duty and Candy Crush. The announcement Tuesday coincided with the start of a process by the U.S. Justice Department and Federal Trade Commission to "modernize federal merger guidelines to better detect and prevent illegal, anticompetitive deals in today's modern markets," part of a broader change in approach brought on by the Biden administration. After settling its landmark antitrust case in the Bill Gates era, Microsoft has largely avoided the intense regulatory scrutiny faced by Apple, Google, Facebook and Amazon in recent years.