Complex sentence: He travels back in time in order to save Lois, altering history so that her car is never caught in the aftershock; he then delivers Luthor and Otis to prison and flies into the sunrise for further adventures.
Split into simpler sentences: He travels back in time in order to save Lois, altering history so that her car is never caught in the aftershock. Superman then delivers Luthor and Otis to prison and flies into the sunrise for further adventures.