mw3 has been taken right after mw2, literaly. although makarov is still alive you do have the characters of roach, shephard, etc. but in a big proportion of the game you play as people in military.
as in New York you have you and some other characters throughout the game, just like sgt. foley in mw2, he was always there.
but that is all i know so just research it. you may find more main characters
Just the remnants of TF141 and Makarov.
The related link lists and describes the characters in Call of Duty Modern Warfare 2
Modern warfare 3 is better
The intervention is not in modern warfare 3. Modern warfare 2 has the intervention.
Modern Warfare 3 is not in 3D.
Modern Warfare Mobilized(the DS port of Modern Warfare 1) & Modern Warfare 3.
Yes because pretty much all the characters die, and in the end of MW3, I think Captain Price bleeds out and dies.
Modern Warfare 3.
Call of Duty 4: Modern Warfare came out first. This is the first game in the Modern Warfare series, and Modern Warfare 3 is the third game in the Modern Warfare series.
There is no demo for Call of Duty: Modern Warfare 3.
There are no demos for Call of Duty: Modern Warfare 3.
Modern Warfare 3 IS World War 3.