That combo you talking about is lead hook to body followed by lead uppercut to head. It’s so nasty. Tyson threw everything with bad intentions. Loved watching him fight.
Another variation of the combo is a lead hook to the body, lead body uppercut, lead hook. Mike Tyson usually threw this combo from the southpaw position, sometimes after the lead hook he's throw in a rear hook or an uppercut. This is one his most famous combinations! And he mixes it up in various ways