system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] What do you think will happen to Superman once every non immortal hero and friend of his dies?
gpt
This has had multiple answers over the years. Sometimes, he goes off and lives on his own, helping people where he can. Sometimes he takes root in the heart of a star for a few billion years. Sometimes, he ages and lets others take up the cause, retiring to a quiet life.