Are these feats legit in your opinion or wank/misunderstood?
Thor easily survived the Bifrost explosion which caused a wormhole capable of drawing in stars in Thor 2011 movie final battle scene.
Loki survived going through the same wormhole.
https://m.youtube.com/watch?v=ZE8HuCVAamg
1:38, you can see the wormhole in the background seemingly sucking stars.
Thor survived the destruction of a ship that passed through a singularity in Ragnarok when Thanos blew it up in IW.
Thor took hits from Malekith with Aether who was going to turn a galaxy into dark matter in a short amount of time (seemingly minutes) in Dark World.