Shanks haki is something else man even the after effect had most of his crew knocked out
The man breathes conqueror's haki
I wanna see Dragon and Mihawk pop off on someone. Maybe even Mihawk overwhelming current Zoro would work, without completely defeating him so he stays to his word in east blue.
Beyond them I want to see Beckman and Shiryu pop off as well, they probably will when their crews inevitable engage in a clash, as Shanks has expressed interest in monitoring his movement while Blackbeard is avoiding the obvious spots for a reason.
Blackbeard wants to get an upperhand and gain a way to corner Shanks, he probably thinks he can't beat him yet, but when he does look to corner Shanks that's when we will know that their time to fight has come, imo.