The rise of Thanos in the MCU is the most devastating ... "He was at least half a million years old (according to Thor in Ragnarok), he defeated Surtur in his base form; he defeated, banished ...
and opened up the Earth to Thanos' devastating attack. Samuel Sterns' Leader has been hiding in the background of the MCU since the beginning, and had the power to make some huge changes to the ...
Despite what he said in Avengers: Endgame, Thanos is NOT inevitable. In fact, he has actually been beaten numerous times in the comics, with AND without the Infinity Gauntlet, and most of the time ...