Activision have revealed that the Call of Duty 4: Modern Warfare Variety Map Pack for PS3 will be available on the PlayStation Network on Thursday April, 24 for both North America and Europe! 
 
Additionally, there will be a PS3 Variety Map Pack Double XP Weekend Extravaganza! Enjoy Double XP all weekend for both continents from 12:01 AM GMT on Friday, April 25 to 11:59 PM PDT on Sunday, April 27. We are also making Friday, April 25th a "Play with the Devs" day. The Infinity Ward team will be playing online on Friday, April 25 from 11AM to 2PM PDT and from 5 PM to 8 PM PDT.