User blog comment:PFC Arkalis/Operation Guillotine Trailer Part 2/@comment-1646923-20110917134418/@comment-1476628-20110917221146

This mw2.5 reminds me of crysis 2 a bit as they wernt using the 2.0 version(unless you got 6 dog tag) but they(USMC and CELL)  we're using 1.5 a slightly better version of 1.0 so

basically mw1 is Nanosuit 1.0

Mw2 is 1.5 variant(slightly better)

And mw3 should be 2.0 the best so far.