What you need to remember before watching Thor: Love and Thunder

polygon.com:

Thor’s next adventure is almost here, but before you head to the theater it’s worth remembering what came before for the mighty Asgardian.

Thor: Love and Thunder isn’t the most lore-heavy movie in the Marvel Cinematic Universe, but there’s a good chance you forgot a few things since the last time Thor got a solo project. Fortunately, the filmmakers realized that too and, given the high peaks and very low valleys of Thor’s previous films, have opted to open the movie with a brief recap of the god’s previous adventures — in case you don’t want to rewatch Thor: The Dark World.

Because they already take care of the recap, we’re going to skip over some of the more basic points in favor of the finer details you should brush up on before seeing Love and Thunder. But don’t worry, there aren’t any spoilers here, and we don’t get specific enough to give anything away.

We could tell you all the specific references in Ragnarok that get brought back up in Love and Thunder, but it’s probably easier just to watch the whole movie. The one hint we’ll drop is that you should keep a special eye out for little bits of backstory from the characters; between all the battle-planet tournaments, there’s also some important history for Thor and Valkyrie in Ragnarok.

Heimdall controls the Bifrost, a powerful force that manifests as a rainbow bridge and connects anywhere within the nine realms. With its power, Heimdall can teleport anyone he wants anywhere within these realms and even to a few hidden worlds beyond them. Heimdall also has the power to use his spooky orange eyes to project himself as a vision anywhere he wishes, letting him speak to people and see the area around them.

Sadly, Heimdall dies in Avengers: Infinity War at the hands