SEE ALSO: 'Avengers: Infinity War' memes are here because we're all just trying to cope Thanos' big freethinking idea? Saving the universe by killing 50% of its entire population, chosen at random.

Thanos was to die twice in Endgame, and that was that. But the Multiverse Saga opens up the possibility of seeing Thanos again. What If…? gave us a great taste of that from a universe where Chad ...