Trying to think what a New Avengers could look like. (I'm personally not convinced they'll not do a new team)
Captain Marvel
Black Panther
Dr. Strange
Sersei
Shang-Chi
Black Knight
Maybe Hercules, too, based on Eternals rumors, though I'd prefer Valkyrie. Sounds like a killer line-up.
I'm pretty certain that along with Captain Marvel and Black Panther, Ant-Man and Wasp are going to be the core of the next Avengers team. Who they add to that is anyone's guess but I see Dr Strange as being more of a regular ally than a team member likewise Spider-Man, even though they've been assumed by many to be staying on as permanent fixtures.
The Eternals movie i think will be where at least one of the next recruits comes from but there are a few options there.
Considering the various film and tv versions of the mythological Hercules, I've started to think they should do a new spin on the Olympians and introduce Ares first and Hercules later.