Simply do all the challenges, although there are hidden ones which i am not sure about such as 'Radiation Sickness' which gives you the title 'Toxic' but other thatn that i am not sure,,, yeah so do all the challenges and you will get the majority of the titles :D
By reaching 2nd Prestige, Level two
modern warfare 2
Yes the Full title is Call of Duty Modern Warfare 2 and it is often called MW2 or Modern Warfare 2
bgjnb
No it actually means Call of Duty Modern Warfare 3 the full title of the game.
No and the Game's title of the November 2007 release is Call of Duty 4 Modern Warfare. If there is a Modern Warfare 4 which is doubtful since there are title confusing problems as a result of the number 4 being used in the name in the first game of the Modern Warfare series it will be released in November 2013
Kill Soap
Call in 5 nukes.
Unlock the challenges for them.
You have to prestige and then get level 69.
cmplete challanges
Call of Duty 4 Modern Warfare was released in November 2007 and there may be title confusion if their is a release of Call of Duty Modern Warfare 4. There will not be a new release of the Modern Warfare series until November 2013. They (Activision and Treyarch) just announced the release of Call of Duty Black Ops II for November 13 2012