In most comic storylines, it's a bit of a toss-up. Sometimes Hulk has raw power on his side, but Thor has his magic hammer and godly abilities. So, it depends on the specific context and plot.
Yes, there have been instances where Hulk defeated Thor in the comics. But it's not a consistent outcome; it depends on the specific story and circumstances.
Definitely. Hulk has squared off against Thanos in the comics multiple times. These fights often involve strategic moves and showcase the determination of both to come out on top.