Wedbush Morgan Securities analyst Michael Pachter believes Call of Duty: Modern Warfare 3 will outsell Battlefield 3 by a margin of 2 to 1 this fall. According to Pachter, Battlefield 3 will sell eight million copies, while Call of Duty: Modern Warfare 3 will sell 16 million.

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If this proves to be true, Modern Warfare 3 would become the best-selling game in United States history, beating out Call of Duty: Black Ops, which sold nearly 14 million Despite the sales gap, Pachter believes that many gamers will actually buy both games."I'd guess that around half of the console copies of Battlefield 3 will be bought by people who also buy Modern Warfare 3, so around 2 to 3 million will buy both," he said. "I don't see much cannibalization of the titles."For more on the battle between the two franchises, be sure to check our full roundup of sales predictions.Thanks, Forbes