Jai Courtney calls SS2 a different flavor from original.

And he talks about a water based action scene; I can only guess that it’s a reference to King Shark.

www.comicbookmovie.com/suicide_squad/the_suicide_squad/the-suicide-squad-jai-courtney-says-james-gunns-movie-is-a-different-flavor-and-teases-water-scenes-a176353