[Luke watches, wrinkling his nose at other-Loki's overwrought speech and then practically choking on his own laughter the moment the Hulk grabs him. It takes him a really long time to stop laughing. He has to sit down.] Oh, I do like your Other Guy.

[He catches his breath.]

With the myths, everything happened, but it didn't always happen for the reasons they mention, or in exactly the same way. So you needn't make assumptions, but you can put together the general idea.