I'm thinking we might get a cinema quality action scene in the last episode. So I'm not sure there will be much story left to tell.
First 5 minutes: whoever the big cameo is enters
Next 20 minutes: prolonged action scene, we now have somewhere between 6 and 8 powered individuals on the board and none of them are getting along.
Wandas pushing Vision away
Agatha is screwing with Wanda
Wandas running from Monica
Pietro is probably mad that Agatha is controlling him
Wandas upset with Pietro for impersonating her brother
Whoever the cameo is will almost certainly have superpowers.
The twins are probably going to be mad at their parents for fighting.
Last 5 minute denouement where we find out how vision and the twins survive the collapsing hex, because;