Activision has announced that the first downloadable content for Call of Duty: Modern Warfare 2, a map pack called the Stimulus Package, has surpassed 2.5 million downloads.

Moreover, the DLC was downloaded one million times in its first 24 hours live.

The Stimulus Package now holds the record as the fastest-selling DLC on Xbox LIVE, dispelling speculation that the hefty 1,200 Microsoft Points price tag (about NZD$20.00) might turn some players away.

PlayStation 3 and PC players will be able to get their hands on the map pack next month.

The Stimulus Package was advertised with a tongue in cheek campaign mimicking “Big Pharma” marketing. “Will it sell faster than tamiflu?” we quipped at the time. The answer: Yes, yes it will.