Well, it depends on the specific fanfiction. Some might show the Avengers being worried. Since they know the danger Thor will face in Ragnarok, they could be concerned about his safety. For example, Captain America might be thinking about how they can support Thor during his battle, and Iron Man could be making plans right away after seeing the trailer.
Often, they might start planning strategies. They could discuss how Thor's situation in Ragnarok affects the whole Avengers team. For instance, they might talk about whether they need to send reinforcements or provide backup in some way.
The back story in the Thor Ragnarok trailer shows that Thor is facing a great threat to Asgard. Hela, the goddess of death, has emerged and is bent on destruction. Thor has been away and returns to find his world in chaos. He has to fight not only Hela but also deal with being stranded on the planet Sakaar. This sets the stage for an epic battle to save Asgard and its people.
Sure. One key element is Hela. She's the main antagonist, very powerful. Another is Thor's exile to Sakaar. And then there's the state of Asgard under Hela's rule.
You can start by looking at popular fanfiction websites like Archive of Our Own. They have a wide range of fanfictions, and you can search specifically for Thor Ragnarok ones. You can also check out fan communities on social media platforms like Reddit. There are often threads where people recommend good fanfictions. Another option is to follow blogs dedicated to Thor Ragnarok or Marvel in general, as they sometimes share great fanfiction finds.
It's kind of a mixed bag. Some aspects of Thor's character and story in Ragnarok are true to the comics, but there are also significant changes and creative liberties taken.
The movie Thor: Ragnarok draws its roots from the Marvel Thor comics. It weaves together elements from different comic issues to bring the story to the big screen. The comic influence is evident in the characters, settings, and overall plot of the movie.
Some of them might be really amused. For example, Thor would probably laugh heartily at any creative interpretations of his character. He might say 'This Midgardian has a wild imagination!'.