It’s fair to say that Avengers: Age of Ultron is not one of the most beloved films in the Marvel Cinematic Universe. But it’s also fair to say that in hindsight, it may be one of the most important. Not only did the events of Age of Ultron directly set the stage for the events of films like Captain America: Civil War and Avengers: Infinity War, the film also included a sequence — which was widely disliked at the time — where Thor has a vision of the future, teasing all sorts of potential Marvel storylines. Some of the teases came true quickly, but it turns out these scenes contained hints abou…