Yo-Yo pleads with Mack to leave the Framework, but he chooses to stay with Hope. Then Yo-Yo makes the shocking decision to stay there with him.That is until Hope disappears. Can they still make it out in time? From Marvel's Agents of S.H.I.E.L.D. Season 4 Finale, Episode 22: World's End. Catch up on Season 4 on abc.com and the ABC app.