Thanos did beat the breaks off the Hulk who has beat the shyt out of gods before. Plus after Thanos saw the future where he gets killed by Avengers what did he do? He goes foward in time 9 years early for the smoke and potential L
Most people would just chill and enjoy what might be their last 9 years of existence,but not Thanos. Meanwhile what did Darkseid do when Superman and the Justice League was 10 ft away? He saw what happen to Steppenwolf and said "Chill yall,I'm pregnant

" and closed that portal back up with the quickness. Guess what happened on earth last time gave him PTSD