system
Given the following post, respond as if you're commenting on Reddit:
human
[Superman] Lex Luthor's killed Santa Claus! Can Superman fulfill all of Santa's duties, delivering presents all over the world, unseen, in a single night?

No allies allowed.
gpt
No. Superman is fast, but to get to every child's house on the planet and leave toys behind completely undetected requires a level of speed that is incomprehensible even to the Kryptonian. It's basically a mass instantaneous teleportation multiple times the speed of light. The only reason Santa can do it is because of his inherent magic, which Superman does not have. The Flash MIGHT be able to do it if he messes with the speed force enough, but it would be a hell of a workout.