So he's gone that a shame I would' ve liked to see that.
I know I don't look like Hulk, but I promise I am
Thor is being told by Surtur the prophesy about Asgard. Thor thinks he stops it when he takes Surtur's crown. He doesn't know his sister Hela is the real villian who wants to take over the 9 realms.
Hela appear here but Loki gets scared so he asked for the people controlling the bi frost to bring him back which allows Hela to go to Asgard and gain more power but Loki and Thor get lost in a different planet.
On planet Sakkar, Thor has to beat a champion who happens to be hulk and loose's the fight. Thor finds Hulks jet and gets in it. Without realizing it Hulk follows and wrecks it and the turns in to Bruce. They find a Valkyrie and she helps them escape and go to Asgard.
Thor and Hela fight. Thor holds her off until all the people of Asgard are on the ship safely.
Thor tells Loki to bring Surtur. He comes and destroys everything in Asgard while Hela is still on it and Thor, the Valkyrie, and Hulk escape on to the ship and survive.
Thor and his people safely evacuated wondering where to go next.