system
Given the following post, respond as if you're commenting on Reddit:
human
[WH40K/MARVEL] Dr. Doom takes over the Imperium. How does Humanity fair?
gpt
What you need to understand about the Imperium of Man is that it's so vast and sprawling, with so many different (largely autonomous) systems within it, that it pretty much runs itself. Whoever's on top won't do anything to change anything very quickly. If you want to change the largest bureaucracy machine ever made, you have to wait centuries if not millennia for your changes to be felt.

So Dr. Doom replaces the High Lords. The Adeptus Mechanicus continue with their machines, the Imperial Army and Navy continue scrambling to defend wherever's being attacked this week, the Astartes do whatever the hell they like... You get the picture.