The game was first rumored to be in development by Pandemic Studios as either Project X or Y which were rumored to be based on the Mercenaries franchise. Footage of the game was first leaked onto the internet on November 24, 2009, the footage was a multiplayer trailer of the game. The game was then officially announced by Electronic Arts less than a day later though without a proper platform or release date. The announcement of the game came less than a week after the closure of Pandemic Studios by Electronic Arts as it had been in development there under the name Project Y. The game was being developed by remaining Pandemic Studio staff members located at EA Los Angeles until the company was closed down in 2013.