Pretty sure Apoo will be a Shichibukai. It seems like he's been placed on the level of Kidd and Law in pictures lately. Such as the Blue Deep cover. Urogue and Capone didnt even appear. And appo's bubble was way bigger than Hawkins. Then there's the latest chapter. He's right there next to Blackbeard And Law. Plus, we saw what he did to Kizaru. If he hadn't been a logia, Kizaru would have died. I could see him suggesting that Apoo become a Shichibukai.