Thanos is a stunningly complex character. That’s why Avengers: Infinity War was such a great film; because it explored his journey in a way where, by the end of the movie, he is the winner and The Avengers have been terribly defeated, some even turned to nothing but dust before our very eyes.
And the reason for Thanos’s domination is for one reason, which is evident once watching Endgame: he was 2018 Thanos. I call him Wise Thanos.
Wise Thanos hails from a time when he has been defeated by The Avengers in 2012. When his puppet Ronan betrayed him to claim the Power Stone…and who was immediately squashed by the Guardians of the Galaxy, who he quickly learned about. Wise Thanos has lost his greatest nuisance in Loki. Both his daughters, Gamora and Nebula, are gone.
One has betrayed him and is part of the Guardians of the Galaxy, showing her allegiances have changed drastically. And Nebula almost prevailed in ending his life.
This Wise Thanos is the one who, at the end of Avengers: Age of Ultron, says, “Fine, I’ll do it myself.”
“Myself” is the keyword in this instance. No longer was he allowing his Black Order and his daughters or Loki to gather the Infinity Stones. He took the initiative, finding each and every one of them, and taking them for his own despite the mighty heroes and forces that stood in his way. All those years of conquest and destruction were parlayed for the conclusion of his mission.
Then, you have 2014 Thanos, who I call Egotistic Thanos. Continue reading My Sister’s Opinion: The Difference Between Thanos in ‘Avengers: Infinity War’ and ‘Avengers: Endgame’