Undoubtedly, Zod in Superman Man of Steel is a big villain. Though Zod is not as handsome as Superman, he is domineering when he wears in the zod mask. In my mind, he loves Krypton where he lives, what he has done is for Krypton. In other words, Zod is a superhero of Krypton; Superman is the superhero of Earth. Do you agree with me? (The zod mask from x-costume is good quality)

If he's superhero he's pretty controversial, killing fellow krypton people. Supermans father might have seemed more like the 'good guy'. They all have kinda equal powers in krypton.

Do you see any superhero that goes to slaughter whole planet? "hero (male) and heroine (female) came to refer to characters who, in the face of danger and adversity or from a position of weakness, display courage and the will for self sacrifice—that is, heroism—for some greater good of all humanity."
He doesn't really fit here

He's more of an nationalist antihero.