The character of Thanos gets defeated in the comics by a variety of factors and characters. It could be a powerful solo hero or a coordinated attack from a group of them.
Well, there are multiple instances and circumstances. It could be a combination of heroes or a single powerful character, depending on the specific comic arc.
Yes, Thor has the potential to beat Thanos in certain storylines. It depends on various factors like the circumstances and Thor's power levels at the time.
It depends on the specific comic storyline and context. Sometimes Thor shows great strength and can give Thanos a run for his money, but other times Thanos has the upper hand.
Yes, there are likely fanfictions out there where Tony kills Thanos. The Marvel universe has a huge fan base, and fans often create alternative storylines. Some might explore this scenario to give a different take on the Infinity War and Endgame stories.