How is Jack going to "bring Luffy AND Law"? Kaido read the newspaper that Luffy beat Katakuri and Cracker, and thinks Jack can apprehend him and Law?
Again with bring these to me he could mean when Jack find them, he should call him out.
Since Kaido fly from Onigashima to Kuri only to backup Jack, with means he assume he would get trouble or do you think he make the long fly only to chill out in Kuri? Even Jack was surprise to see Kaido!!
As I said when it come to assume a powerlvl, Kaido actually destroy two supernova and then call Doffy weak after he get defeated, so he could assume the powerlvl of Luffy and Law judging by the fact he actually destroy Kid and Killer.
And what he said about Jack and the Sulong Minks? He praise them enough and protect Jack because of the Sulong power, something he never do to Doffy.