Re: How Superman Resolved the Issue of Zod *MEGA SPOILER*
It was made entirely clear that Zod was not going to stop at anything. It was his stated belief and engineered purpose to carry out his intended task. There was no reasoning Zod, there was no imprisoning Zod, and he posed and immediate laser-burning threat to a family and had led had just pulverized half the city with the intent to terraform the world and kill 7 billion people.
Superman made the only choice there was and he was only one who could make it.