That would legit be one of the best chapters ever. Just seeying the reactions will be priceless.
And I think it's possible knowing that the borders of Wano need to be opened.
The crew leaving Wano, and then coming back a second time to open them would be redundant and also they would have to get Momo's approval... So we might as well just have Kaido and Big Mom breaking that shit by force and pulling up with Pluton