I wouldn't put it past Oda to give Zoro multiple fights again like Wano (Hawkins, Killer, fodder, one shot Apoo, Big Mom and Kaido confrontation, capping off 1v1 King). This arc I could see Zoro handle Dorry & Broggy as warm up, then fight Killingham.
At the end of the day, Zoro is mainly about...