2013's "Man of Steel" was a dark cinematic take on Superman, a superhero with multiple optimistic adaptations. Zack Snyder's take on the Kryptonian was a challenging film for certain fans, especially considering its controversial ending. One of Superman's most remarkable traits is his refusal to kill — a rule that Snyder's iteration of the character bends when Henry Cavill's Kal-El kills General Zod (Michael Shannon) by snapping his neck.
The scene is gut-wrenching when you realize that...