I feel as if the whole SWORD/Hayward is going to be apart of how they go about the secret invasion which I guess is the obvious answer. I'm sure he will get some sort of scooby doo moment coming up, and some sort of murder/replace all heroes agenda. I just saw pure foreshadowing. Inserting any other org wouldn't really make sense in the current universe. Just seems like they were trying to give out more suspect vibes when its an FBI skrull requesting Rambaeu to go up to Fury; shield/hydra 2.0 type shit. I'm sure there are plenty of acronym agencies in the comics to go around though, and looks like we're getting Ross/US Govt and more government agencies coming w/ Falc and Winter Solider.. + a Russian fleshout with Black Widow.
Personally didn't mind Rambeau, I definitely would have not enjoyed a long drawn out version of her character origins, and I don't see her being a leader/front runner of any team or movie. She just seems very sidekick-ish. I think her powers will be cool to see, but I don't think i'm really looking forward to see her learn her powers. I'd rather just be in/out with it.
As far as Evan Peters, i'd much rather them distance themselves farfar away from Fox xmen.. but in ways, makes me feel bad for Evan Peters, given that he more than likely won't have any roles moving forward.. other than maybe him putting the necklace back on and returning the Fietro; which sounds terrible.
Either way, the way I see it, the series still beats the lower end of movies and serves as a better gateway to opening up the universe than Avengers 2 did. I'm not big on watching things twice, but I do remember Avengers 2 feeling much like a trailer of all the things to come.. which probably could have been a bit better done in a 9ep series, and condensing Wandavision in a 2hr movie would have served us just as much as it did a 9 episode series.. Easter eggs were cool, but the payoff really didn't happen in the series; its clear people want more to do with the universe, but the director/writers wanted more to do with Wanda and Vision.