Originally Posted by Godzilla2014
The problem with the third act of Superman: The Movie is that it contradicts itself. Lois dies because Superman isn't fast enough to stop both missiles, yet he can fly fast enough to travel back in time? And what did Superman do differently to prevent Lois's death? He didn't stop the other missile, but the earthquake that swallows her doesn't happen. Why?
The same reason a mother can move a car to save her child.
When Superman thought he lost Lois he let go of all restraint.