These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Thor's third (if you count his previous attempt to catch it as the first, and his wrestling match with it disguised as a cat in 'The Journey to Utgards-Loki' as the second) battle with the Midgard Serpent. When Heimdall expresses amazement that the thunder god is holding his own against the monster, Tyr simply replies: "Of course. He is Thor!"