You ran out of your apartment at the first bolt of electricity fired from one of the Aliens, gaping up at the sky.

They were not of Asgard, surely, not of Jotunheim or Vanaheim or even Svartalfheim. Sure, you'd been a child when you'd left your birth-realm, but at least you knew your geography.

"We need to surround the Chitauri!" you heard a woman yell, running past in a flash of red and black.

Chitauri ... a strangely melodic name for those so ugly.

You ducked behind a car with a breathe of a squeak as a gun blast hit the window you were just standing in front of.

"Get to cover, Ma'am!"

A man you recognised as Captain America yelled at you as he threw his shield at several Chitauri, knocking them over like bowling pins.

You raced down an alleyway, breathing hard, determined not to get involved.

Until you heard two familiar screams.

You peeked around the corner of the alley, face paling as you saw Y/B/F/N and Summer clutching to each other, screaming as a Chitauri pointed one its strange hybrid guns at them.

"Fuck it," you spat, running towards them, your blue skin taking over.

Just as the alien shot, you pushed your hands together and shoved them outwards, creating an arrow of ice that pierced him through the chest. There seemed to be a moment of silence, in which no one spoke, no one moved, no one lived, as you panicked to yourself.

What have I done?

Then, everything came racing back, and you were aware of your two friends gasping with delayed shock behind you.

"Thank you for saving us!" Y/B/F/N called.

"Wow, are you an Avenger?" Summer asked. Though she was out of your vision, you could practically see the way she twirled her braids around her finger.

Wincing, you turned around. "Not ... quite."

"Y/N?" Y/B/F/N and Summer stared at your red eyes, then your blue patterned skin, their hands leaping to their mouths.

There was horror and fear in their eyes.

"I-I'm sorry," you teared up and ran away, shooting bolts of ice from you hands, impaling Chitauri left, right and centre.

Suddenly a blue-sleeved arm grabbed you, and you found yourself looking into the startlingly blue eyes of Captain America.

"Who are you?"

"I'm Y/N. I'm on your side!" you promised, hands raised in the air as you let s/c replace the blue. "I'm ... I'm a Frost Giant. I was abandoned on Midgard when my mother was slain by Laufey."

"You what?" a man in recognisable Asgardian garb appeared, weapon raised in defence. You analysed the colour scheme and cape, realisation hitting you like a lightning bolt.

"You're a prince of Asgard!" you bowed your head. "I am Y/N Y/L/N, formerly of Jotunheim-" you paused, allowing for him to give you a death glare, "-currently of Midgard. I am no friend of the Jotuns."

"That is excellent news," the prince of Asgard boomed, suddenly jovial. "I am Thor Odinson, of Asgard. You're situation is like that of my brother, Loki."

"Really?" your heart skipped a beat, not daring to hope, but just maybe-

You quickly deflated when Thor said, "He is the son of Laufey, abandoned and then rescued up by my father, King of Asgard."

"Laufeyson?" you flinched. "I will be no acquaintance of his."

"Good, because we're fighting him," Captain America cut in. "Miss ... Y/N, we could really use your help, please."

"Sure," you flicked a finger, making an exact tiny replica of his shield of ice, laughing when he gaped at it. "Thor, may I have a lift please?"

His answer was to grab your arm and push off the ground with terrifying speed as a startled yell left your lips. The feeling was over in a second, and you took in your new surroundings - a rooftop, occupied by a sole archer with sandy hair and an analytical gaze not dissimilar to a crosshair.

"Ally?" he asked Thor.

"Yes. Lady Y/N, this is Sir Barton," Thor replied.

"Call me Clint." The man, Clint, was evidently blunt and straight to the point. "What can you do?"

You let your skin change from s/c to blue, and your eyes from e/c to red. Clint, to his credit, didn't even flinch, not even when you waved a hand and an entire Chitauri speeder froze, passengers and all.

"Cool," Clint said neutrally, shooting arrows with an ease as natural as breathing as he spoke. "I'm gonna call you Frosty if you don't mind."

You laughed, turning back to the battle. "Sounds cool, Katniss."

You were shooting concentrated spears of ice from your hands when you stopped and saw him.

He was beautiful, to say the least, with a kind of air only princes carried. And you could also sense that he was a Jotun.

That made him Loki.

"Don't fall in love with the enemy, Y/N," you told yourself quietly, hoping desperately Clint hadn't heard your words.

Your rule had always been never fall in love. Firstly, no one could ever love the side of you that was a monster, and secondly, you weren't willing to put someone you loved in danger, as they would be if Laufey discovered your connection to them.

Mind made up with your old rules, you mercilessly fired an ice spike at him the same time that Clint shot at him. The result was Clint's arrow blowing up his speeder and you impaling his shoulder. He glared up at you, making eye contact, and you lifted your chin determinedly.

You held out a hand to Clint, and then conjured a floating platform of ice with the destination of the Tower, where Loki had landed.

As soon as you and Clint arrived, he looked at you, bruised and battered from a beating from the Hulk, and his eyes widened.

"It's not possible..."

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