A "Vindicare assassin" painted in the early 2000s

Frank shrank.

This is wonderful work, glad it's a part of this great human experiment

IMO he would probably be an Eversor assassin.

As of Frank Castle wouldn't be out to kill literally everyone in 40k that isn't some rando civilian

Khorne would get such a raging boner for all the murder going on that even Slaanesh would be concerned