There were three Thor films. Chris Hemsworth says his contract is up after Avengers 4 but he is open to maybe playing Thor again in a fourth Thor film. Thor (2011) Thor The Dark World (2013) Thor Ragnarok (2017)
Tom Hiddleston. He initially auditioned for the role of Thor, but when Chris Hemsworth (Thor) auditioned, the casting director of the movie Thor thought that Chris Hemsworth was better for Thor and Tom Hiddleston was more suited for Loki.
Hulk would fight Thor and break his hammer and throw him on a wasps nest and Thor will be stung by only one wasp. Hulk will win and jump to where Thor is at and throw him into a tree and Hulk will punch Thor and knock him out.