Included as a DC Showcase Short on the bluray release of Batman: Hush (2019).
Karl Urban is nor stanger to comicbook interpretations for film. He has also played William Cooper in the movie R.E.D., Judge Dredd in the movie Dredd, and also Billy Butcher for the Amazon Prime Original The Boys.
The Creature Commandos had a different CO in the comics, specifically Lt Matt Shrieve. Their adventures were largely restricted to the Weird War series with Sgt Rock having his own separate title.