Snakeman with advCoC would be quite a force.
Snakeman lacked attack power in comparission to Boundman. But now he can even that aspect out. The speed of Snakeman with advCoC is the ideal fighting mode.
There is no time and room in this story for Big Mom after Wano. One Piece is near its end.
Big Mom and Kaido WILL fall this arc. Shanks will be the only OG Yonkou left and his arc will probably be Elbaf.
Kid already has history with Big Mom and is the most hyped rookie with Luffy.