How did the Asgardians survive?
How did half of the Asgardian refugees survive Thanos’ attack in deep space and arrive on Earth?
It’s a huge unanswered question.
They were in the other half of the Statesman and evacuated before the Benatar arrived. Thor found them with Stormbreaker and brought them to earth, possibly also with Stormbreaker.
Then he got into the habit of using Stormbreaker, weapon of kings, to open beer bottles