As typical for these Disney+ shows, the final episode doesn't quite stick the landing, because they tend to be pretty muddled with too many characters whose plot threads don't tie up neatly, but it's still fun.
Really, all it really needed was a grumbled line from Fisk of, "I was supposed to meet Vanessa in the Bahamas for Christmas, but I suppose I'll have to deal with this unpleasant business first. Kazi, I trust you can make sure the police will be sufficiently distracted while I'm giving Eleanor her retirement gift."
Then maybe instead of having Maya show up to fight Kazi, have her be the one who rams Fisk, but before she can go in to fight her boss, Kazi interrupts her, and that's when they fight, with him showing explicitly that he's more loyal to Kingpin than to her.
But all in all, I really enjoyed the show as a fun Christmas-y romp. I'd rank it as my favorite D+ show so far. Wandavision's second, suffering only because the ending departed from the clever TV conceit that had made the show so good previously. Loki was really entertaining, except that Tom Hiddleston wasn't playing 'the god of mischief,' but rather some guy who never once betrayed or tricked anyone of import, which was very out of character for Loki. (That even could have worked if he had a plan to trick someone, but made a conscious choice not to do it, as a sign of character growth.)
And Falcon & The Winter Soldier was a victim of too many rewrites and a bit of clunky speechifying at the end.
(What If...? doesn't really fit on the same metric, since it only vaguely had a cohesive story.)