Some version of Gorgon might be back. The final issue did mention something about an attempted resurrection.
Even if the resurrected Gorgon isn't really "our" Gorgon, they might still let him keep his captain's job as long as he's not completely crazy.
I do think Isca or Bei should get the Apocalypse seat. Arakko's thousands of mutants have essentially just been granted Krakoan citizenship. They should have some sort of voice