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Tony Stark/Loki
We Looked Like Giants by Sawuhs - A song-fic in which Tony and Loki have a hidden relationship which is eventually found out, and, well.
Magic isn't the answer to everything (only some things) by melonbutterfly - In which Tony is pregnant, everybody else isn't (except for two weeks but it doesn't count), Fury's chair gets abducted, there's some panicking, a little textspeak, some overprotectiveness, a lot of tuna, and no fainting.
Debt by Storynerd - Tony Stark shouldn't find Loki fascinating, but he does, because all he’s ever wanted to do is take things apart to see how they work. Besides, he’s never been any good at following the rules.
Catacombs by kuhekabir - Catacombs – hidden passageways, mostly underground. Well, after a building landed on top of Tony and a green eyed stranger, he figured that was exactly where his memories had scurried off to. They went into hiding and it was now up to him to dig them out. Until fate comes calling and everything he thought he knew, gets turned up side down again. Good thing he’s learned how to go with the flow…right?
unsure and a hundred by StarkRevelations - He felt like he’d been falling and falling for days, waiting to either hit the ground in a huge mess, or for Loki to appear. And even then, he didn’t know if Loki would catch him, or watch him falling, and laugh, and the fear that someone had that power over him was scary. It’d probably be better if Loki did watch him fall, and if he managed to pick himself up and clean up his own mess. He’d told himself that he wouldn’t care, either way, once he’d given the opportunity, but he knew that what was best and what he wanted were two different things
Of Liars’ Gifts, and Gifted Liars by Like_a_Hurricane - A series of exchanges between a pair of talented showmen: mutual torment of a verbose nature, unexpected gifts, and the peculiar honesty of a pair of craftsmen proud of their own work, and willing to admit admiration of another’s. Also featuring: Loki talking his way out of incarceration, Tony Stark making reckless business decisions on a whim, and much much more.
Two Sides of the Coin by Meadowlark4491, victoriousscarf - If asked, Tony Stark would be hard pressed to figure out how Loki Laufeyson ended up in his bed, or how the chaos god continued being there. But he can't deny enjoying it.
Queen Antonia of Jotunheim - political marriage gone right by jjsngadget - In which Tony Stark is a woman. She is oblivious to Steve Rogers growing affections and prefers Loki's attentions. Thanos is coming. Loki redeems himself. Yggdrasil is stabilized with a marrage in Asgard between King Loki of Jotunheim, prince of Asgard, and Antonia Stark, 'princess' of Midgard. a threeway alliance between the planets. It is a complicated tale and most of it isn't even written yet. This is Tony's story and since she's a self-absorbed egoist most of the story concerns her and not anyone else.
Who Knew? by Meruchan0720 - Tony had always been careful with who he sleeps with. Man or woman, he always makes sure that there will be no accidents. Still, who really knew how potent a god/frost giant sorcerer was in bed? Well, now he had some idea.