Three Xbox rivals believe the Activision Blizzard merger would

The UK regulator spoke to six companies as part of its investigation

FTC Aims to Block $69B Microsoft-Activision Blizzard Deal

Game on: FTC tries to block Microsoft-Activision merger • The Register

FTC files suit to stop Microsoft's $69 billion Activision purchase

Cloud Gaming Could Help Microsoft Win $69 Billion Activision Buy

FTC challenges $69 billion Microsoft-Activision Blizzard merger at Ninth Circuit

FTC Seeks to Reverse Microsoft's Activision Acquisition

Microsoft's acquisition of Activision is essentially a done deal

Three rivals told UK regulator Xbox's Activision deal would harm competition

FTC sues to block Microsoft-Activision Blizzard merger - Marketplace

Three Rivals Feel Microsoft's ActiBlizz Deal Would Have 'Negative Impact On Competition

Xbox acquires Activision Blizzard, Call of Duty & more franchises