I already told you people, it's going be just like Zoro's introduction arc, get ready for it...
The 5 SN are going to have a hard ass fight against the 2 Yonko, Big Mom will appear to go down first and then later on Kaido will be completely overwhelmed by Luffy (the other 4 will be really damaged or downed for a while). Big Mom will take someone as hostage, either Momonosuke or Kin'emon, someone, and try to stop Luffy from absolutely hitting the shit out of Kaido, just like it happened to Oden. Then Luffy will stop hitting Kaido and get ready to hit Big Mom, but Kaido is going to get up and use the opening to hit Luffy behind his back, but the Pirate King won't even hesitate, because he knows he got Zoro... Zoro will cut down Kaido and Luffy will give Big Mom's final hit, just like they finished Captain Morgan and Helmeppo back in the start of the story.
If you can't see the similarities between Zoro and Oden, just like Zoro took on that deal to wait for 1 month in prison without eating for the sake of everyone but the villain had no intetions of honoring the deal, just like Oden dancing for 5 years for Orochi, and also the comparisson between Zoro sacrificing himself and taking all the damage in Thriller Bark to save the crew, even sacrificing he's own dream, just like Oden did to save the Scabbards when he got boiled.