system
Given the following post, respond as if you're commenting on Reddit:
human
[Avengers: Infinity War] Immediately after the snap heard 'round the universe, you wake up on Earth in the company of Thor, Cap and the other survivors. You retain all your Marvel knowledge. How do you proceed to help the others defeat Thanos and, hopefully, undo the snap?
gpt
Step one is to tell them that antman is trapped in the quantum realm, Fury paged Captain Marvel, and she'll be here soon, and Tony is potentially trapped somewhere between Earth and Titan.

Basically just give the incredibly brilliant tacticians and scientists information and start things moving quicker.