Mw (also: Mevr. ) is the Dutch abbreviation of mevrouw and stands for either Ms. or Mrs. [1] Meanwhile, Hr (or D.hr ) means de heer (literally: the gentleman/lord) [2] and usually stands for the equivalent of Mr. in English.
To start, the game is targeted toward mature audiences. The ESRB rated it for ages 17+, citing Blood, drug reference, intense violence, language. However, one positive thing is that COD games have a Graphic Content filter that can be toggled on. This will filter out blood, gore, and adult language.