system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU, What if...?] In the Dr Strange episode, how is Christine's death a constant inevitable fate when we know he could still end up as sorcerer supreme through the loss of his hands?

The ancient one explains that her death is something that has to happen, but why? He had the same results of becoming sorcerer supreme by just damaging his hands in the main universe. Why in this specific universe is it something that HAS to happen? What would happen if this version found out about the main universe version's backstory?
gpt
Because that specific Dr Strange came to be through that event. He could alter time to where Christine would live and he still became Sorcerer Supreme, but that wouldn't lead to him becoming the Dr Strange that goes back to save her. He needs her to die in order for him to go back and save her, so by saving her he creates a paradox where he never goes back to save her.