AS usual, the people at howitshouldhaveended.com ,who do these shorts on how movies should have ended, are clever, crafty and funny.
Perhaps these "How" people should be employed to find the big holes in movie scripts BEFORE movies are actually made?
(However, realize this "Man of Steel" Superman had only had the costume on a few hours when he faced General Zod. He was NOT experienced as the regular Superman in these shorts is ....)
Here's a link to how the "Man of Steel" movie should have ended ... http://www.howitshouldhaveended.com/