Following the recent open beta for Call of Duty: Modern Warfare 2, developer Infinity Ward reveals its plans for updating the game before launch later in October. For most fans, a new Call of Duty launch is always a big moment in the year, but it seems the excitement surrounding Modern Warfare 2 hit new heights. According to Infinity Ward, the Modern Warfare 2 open beta had the most players in franchise history, even with a limited selection of content on offer.