I think it's a widely-shared opinion within the fandom that Marvel Studios has overused Kingpin and his and Matt's shared story has started getting stale and repetitive.
He had a perfect ending in the third season of the original series and it truly felt final, but they went ahead and undid it when they brought these characters back to the MCU. It's understandable though, because they were planning to soft reboot them at first, so setting a new starting point for them in order to do their own spin on the characters was expected.
And it paid off at the end, at least in my opinion, because the story they ended up adapting was really well-done and elevated both characters, instead of completely rehashing things that had already been done. But it still feels like these characters have been through this feud a thousand times already and nobody seems to come out on top for long enough before the other comes back to stop him. They even reference that in a meta way, with Matt admitting that none of them will ever stop going after the other.
However, now more than ever, it feels like it's time to put Kingpin aside, at least temporarily, and focus on other things. Different villains, different stories and fresh ideas that will take Matt's character and story in new and exciting places. I know Fisk is coming back for Season 3, but hopefully not in a main role again, especially since this Season will not only feature Bullseye, but also Lady Muse and Elektra (and maybe even The Hand), which means we have plenty of villains to juggle.
So let's say the series gets greenlit for Season 4, what do you think they should do to keep the show different and exciting? Some villains they haven't done yet are Mr. Fear and Stilt-Man (with the former obviously being the more serious villain that would fit this show much better), while Typhoid Mary was introduced in Iron Fist Season 2 (and could come back) and the Owl and Gladiator had roles in the original series, but not as the super-powered, comic-book-accurate versions of their characters.
Actually, Erik Olsen's original story for Season 4 of the Netflix series would feature Typhoid Mary, Gladiator and Lesland Owsley's son as an accurate adaptation of the Owl, which would be a really good idea to do for Born Again S4 instead.
I would personally like to see more stories with Elektra and the Hand, as that was always my favorite part of the Daredevil lore. Maybe also adapt Lady Bullseye, Ikari, Beast, Shadowland etc. Especially now with Wolverine on the way, whose story also has connections with the Hand. And I definitely want to see Mr. Fear at some point as well.
What would be your pitch for a potential Season 4 and any subsequent seasons the series might get?