How about an Angels vs. Demons AU where Thor and Loki are engaged in a completely taboo romance because obviously, they’re in two different sides in an eternal war between Heaven and Hell. Up to you which one is the devil and which one is the angel.

wouldyouknowmore:

Thanks for waiting!! Because I am contrary, I immediately wanted to go with Demon!Thor/Angel!Loki, but then decided that I’m even more contrary, and took the obvious route 😀

1. Thor and Loki both began as seraphim, but somewhere along the line, Loki Fell, and Thor has been risking it himself for millennia since then. He’s lucky the big guy upstairs has a soft spot for him, honestly.
2. Loki claims that Thor was to blame for his Fall, by the way, but if you ask either of them about that, you’ll get wildly different stories, neither of which are true. They forgot what actually happened by the Dark Ages anyway.
3. They meet every half-century or so, whenever they can both swing a field assignment on Earth at the same time. Sometimes they only have a night, but every now and then, they’ll get months together, hiding out somewhere quiet and secluded, where they can’t traumatize anybody in a two-mile radius.
4. They learned their lesson about that in Rome in 1602, when they managed to turn a bishop atheist at Santa Maria del Popolo. Nothing was said about what had caused the conversion, but Thor got in so much trouble that he was kept on prayer-dictation duty in the Heavens until the 19th century. 
5. (Loki maintains that it was his fault then too–they’d been arguing over who would go further, Caravaggio or Carricci, while studying their work side by side in the chapel, and when Loki had insinuated that Caravaggio had benefitted from a little personal, Infernal Inspiration that gave his paintings the edge, Thor had given in to a less than Holy jealousy and felt the need to remind him then and there who he belonged to.)
6. Thor has tried to call it off more than once over the centuries, but it never lasts long. He knows he should be better, but he always finds a way to rationalize his weakness. For example, if he stays away long enough, Loki always seems to find a tall, blond, muscular mortal to lead down the path of wickedness, and then Thor has to stop him, after all. And he’s an angel. He can handle the demonic influence much better. He’s only protecting them, see?
7. There are betting pools Above and Below, and both are giving good odds that Thor will Fall by the 2100s. Thor doesn’t know about either. Loki’s money is on Thor outlasting them all. He’s made it this long already, he says, shrugging.

Send me an AU, and I’ll give you 5+ headcanons about it – Requests are now closed ❤