She doesn't change his facial structure at all (gotta spring for the deluxe package for that). She just pumps him full of melanin, gives him a haircut, and sends him on his merry minstrel way.
Punisher hops in a car, but it's not long before he's pulled over by police on account of the superhuman level of painkillers in his system ... and also, well, you know. He gets the s**t kicked out of him some more, and we're treated to a wildly uncomfortable and inappropriate visual reference to certain then-current events.
But don't worry! Luke Cage soon arrives to save him, in what we can assume was meant as an analogue to ... the cameraman who filmed the King beating?