Port Finale

In this mission, you have to start all three generators to raise the bridge. When everybody is on the bridge while you raise a little defense, the closest generator is going to break and somebody will have to sacrifice them self for the team. You're not obliged to sacrifice Bill like in the comic, as any Survivor can sacrifice them self.

Versus
Watch out for the Hunter, Jockey, Smoker and Charger. They can incapacitate you and make your sacrifice worthless.