Marvel Galaxy (Comics) Vs Galactic Empire (Star Wars Legends)

Empire gets 10 years of studying the Marvel Galaxy, then begins launch. War ends when they capture every major planet

Marvel Galaxy has no clue what the empire is, takes place right after Marvel Civil War for Earth

After ten years of conflict the Empire brings the Death Star and Darth Vader

Thrawn and Tarkin are the main commanders in the beginning

Sidious appears if Vader is killed