I have no idea what's going to happen in the finale. Normally, that would be a good thing, but here, it's just because the season has been such a meandering, politics-first mess that I will be shocked if the finale turns this into a cohesive storyline.
Hell, something finally happens in episode 7 (of 8) of the season... and that's an un-introduced character using a powerset (shapeshifting) the show has used before. Cool?
I vote we're going to get a wet fart of a finale. Having Homelander take over the government for the entire final season is too expensive for this show, so I'll go with
Hughie backs out of using the virus on Neuman.
The shapeshifter kills Neuman as Starlight.
The shapeshifter then takes Singer's shape and becomes president. (Yeah, they flat out rip off the first X-Men movie, because that would be the most uninspiring option.)
Frenchie and Kimiko have meaningless resolutions with their pasts.
A-Train shows up for a fight then is forced to 'stay' in The Seven by Homelander for PR reasons.
In the final scene, Noir 2 tracks down Butcher and is killed by Butcher's cancer symbiote as we finally get a glimpse of how it works.
Ummm, Ryan and Homelander have a pseudo fight and one of the girls (Firecracker / Sage / Ashley) accidentally gets killed by Ryan, giving Homelander blackmail material to force Ryan to stay with him until an appropriate point in Season 5.