Avengers: Infinity War

Killing 50% of the population leads to way more than 50% of death, unless we’re assuming every survivor is a healthy adult with no dependents and a useful job.  He had the literal power to reshape reality. How many planets are just empty rocks? He could’ve created infinite food, space, energy, anything. But no, genocide was the move. Still, Infinity War is hands down the best MCU movie.