In a battle to see who is knocked out first Shao Khan would win since he is evextrememly strong and Jack Baker has a weak spot when he takes enough damage to the point of making him explode with enough damage, but if it were a battle to the death Jack Baker would win since he has regenerative abilities that can bring him back after being blown up and the only reason he died in the end was because of the cure that weakened him which Shao Kahn doesn't have