system
Given the following post, respond as if you're commenting on Reddit:
human
[Endgame] (spoilers) How did Thanos know

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How did he know how to use the Pym Particles? He was only able to go into the future because he got them from the Avengers in the past, correct? via the past Nebula?
gpt
Thanos was able to access all of 2023 Nebula's memories. She may have learned quite a bit working with Banner and Stark. Additionally, he likely has access to some of the best minds and technology in the galaxy. Also, there wasn't necessarily a 1:1 correlation between elapsed time for 2014 continuum and the 2023 continuum, so he could have had more time to figure things out. Lastly, 2014 Nebula used Stark's time machine to bring Thanos. His ship literally was shrunk to the scale required for the Quantum Realm and spit out at the Avengers compound. He may not have been able to travel in the QR and traverse time without Stark's equipment.