Hawkeye's finale was good, the best of the D+ lot so far. They wrapped up most of the plot threads well and what was left is obviously intended to be picked up in the Echo series. I think the only thing I was a bit disappointed with is that Yelena and Kate didn't have a scene together after everything was wrapped up.
Kingpin isn't the monster from the Netflix series that decapitated a dude with a car door or killed his father with a hammer but D'Onofrio still sells the character and he is now more line with his comic counterpart. If I had to guess I'd say Maya shot him, he tanked it like he did with the arrows, and the Echo series will revolve around her being hunted down. iirc, in the comics Echo shoots Kingpin and leaves him blind -- I wonder if they'll do the same here.
Speaking of Echo, while I liked her well enough I'm not sure she can really carry a show by herself. She isn't a super interesting character and compared to her comic counterpart she's basically just a deaf girl who can throw a punch, whereas in the comics she's a mix of Daredevil and Taskmaster. Hopefully they use her show as a vehicle for (re)introducing various street-level characters.