Kang and Namor or the only two on that list that I feel confident in saying: Not going to happen.
is an Avengers foe at his core.
is not going to appear cause he's a leading star himself and will get a solo movie. I don't even know if Marvel technically has dibs on him. Is he mutant and falls into Fox Studios or FF related, either way he may be legally out of reach.
I'm hoping for Enchantress and Skurge in this film.
Surtur for part 3 with perhaps Hela in a role as well. Keep the brimstone-esque characters together.