Originally Posted by Mr. Dent
That would take Widow out of it though.
Not at all.
A lot of her Russian espionage experience (MCU Widow, that is) seems to be post-Soviet. The guys she was infiltrating at the beginning of Avengers were typical modern Russian mafia and corrupt military.
A Russian-based WS works just as well as a hit man for the Russian mafia as he does a KGB assassin.