Marvel/Avengers One-Shots!

"Mine." [Bucky - Fluff]

A/N - This one was also a request from snowfckingwhite98
Hope you like it!
- Katie

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Walking back toward the loud beat of the music, you enter the main venue room. It was one of the S.H.I.E.L.D agent's wedding and all of the Avengers and their partners were invited. You weave in and out of all the party guests and make your way back to your table to see all of your closest friends laughing and joking. Tony was chatting up a girl he'd just met, Bruce and Natasha were deep in conversation, Thor was drinking with Jane, and Clint looked a little lost sitting by himself.
Lastly, your eyes fell upon the two super soldiers; Steve and your boyfriend, James.

They were both talking intently, and you made your way over to your seat beside Bucky. As you sat down, Bucky turned to smile at you and placed his right hand on your bare flesh just above your knee. The boys continue to chat and you take the opportunity to appreciate your boyfriend. Your eyes scan over his soft brown hair that falls down past his bright blue eyes. He was wearing a suit for the occasion and although you'd seen pictures of him in his military uniform, you'd never seen anyone look quite so dapper as Bucky did right now. He wore a crisp, clean, white shirt with the top few buttons unbuttoned. He then wore a black suit jacket over the shirt and the trousers to match. His cuff links sported the Avengers logo; something every member received as a gift upon joining the crew. He was becoming more accepting of his metal arm and didn't try to hide it constantly, on occasion he would even hold your hand with it.

Bucky squeezed your leg affectionately, causing you to fall out of your admiration of him. You inhale a deep breath as you compose yourself and steady your mind. Bucky always had that affect on you whenever you thought about him in-depth. You then realise your glass is empty and mentally thank the Lord that you had a reason to get up and do something. As much as you loved being with him, sitting listening to him talking to Steve about 'when they would get cars that hover' became very tedious after a while.
Standing back up, you give Bucky a squeeze on his shoulder and whisper a quick "I'll be two minutes" into his ear before heading toward the bar.

When you arrive at the bar you order your drink and stand patiently for the bar tender to make it. You glance back at your table to see Bucky laughing with Steve and you can't help but smile at how happy he looks. As you turn back to face the bar you are met with a familiar face.
"(Y/n)! Fancy seeing you here!" He calls over the music.
Before you stands your closest friend from high school, Peter.
"Peter, hi!"
He pulls you into a hug and you awkwardly return it.
"What are you doing here?" He asks.
"I'm with the Avengers." You answer, motioning to the team behind you. "How about you?"
"It's my Brother's wedding." He laughs.
"Oh, wow! Your brother's marrying a S.H.I.E.L.D agent?"
Peter laughs again. "Yeah, I guess he is. So, you're an Avenger now?"
"Not quite, I'm dating one."
He seems shocked for a second but quickly composes himself.
"So what are you doing these days?" He asks.
You both chat for a while, reminiscing about high school and telling each other what had become of your lives since then. His personality hasn't changed in the slightest and he still knows exactly how to make you laugh.

Before long you've both been sitting at the bar for almost half an hour and Bucky finally intervenes.
"Hey." He smiles at you as he wraps his arm around your waist. "Hey." He nods curtly toward Peter.
"Hi, Buck." You beam and Peter simply nods in respond. "This is Peter, my old school friend. Peter, this is my boyfriend, James."
They exchange half-hearted greetings and you can feel tension begin to build around you.
"We should head back to the ta-" Bucky starts, but Peter cuts him off.
"C'mon, don't go, it's nice getting to chat with you again." Peter grabs your hand in his own, keeping you at the bar.
"It has been nice, but I'll have to go." You smile sympathetically at him as you pull your hand from his grip.
"Can I see you again? Can I have your number? We should go out for a meal sometime!" Peter insisted.
"Peter, I-"
"Look dude," Bucky interrupted, anger and sarcasm seething in his tone. "I'm not sure if you're aware but (y/n) is taken, and that means she doesn't need to go on dates with guys, whether they're long lost friends or not."
"I'm pretty sure she'd change her mind if she gave me a chance." He spoke back to Bucky whilst looking over at you.
You instantly gripped onto Bucky's metal forearm, knowing too well that he would have knocked the guy clean out if you hadn't.
"Let's just go, James." You warn, your voice both stern and slightly worried.
"(Y/n)-" Peter starts, sending a fuel of anger through your body.
"Peter, I know you've been drinking and, sure, we used to be close, but that doesn't give you the right to be an ass to my boyfriend."
"He doesn't deserve you, what's with the arm?"
You could feel Bucky become even more tense beside you, so you stepped in front of him, both protectively and to prevent him from potentially murdering Peter.
"You don't get to talk about him like that. I thought you hadn't changed. I thought that after all this time you were still friendly, happy-go-lucky Peter, but you're not. You're a total dick." You spat the words at him.
He could say whatever the hell he wanted about you, but the second he says a single word about your Bucky, there'll be hell to pay.
"Let me prove myself, let me take you out." He gripped your shoulders and Bucky pulled you back instantly.
"Don't you dare touch her." He growled.
You pulled Bucky back, prying him away from the curious eyes of the other party guests that had settled on the two men.
You begin to steer Bucky from the crowd when you feel another hand on your shoulder. You're spun around and met face to face with Peter once again. His close proximity allows the stale smell of alcohol to travel from his mouth to your nose and you have to turn away.
"With all due respect, Peter, fuck off." You state, wanting to be anywhere else than in the same room as him.

You manage to steer Bucky out of the doors and allow him to cool down in the fresh, crisp autumn air.
"Let's just go home." You whisper, as you nuzzle into chest.

The whole journey home was silent and by the time you entered the front door to your shared apartment you felt a little anxious.
You were both still silent and so you decided to just put your pyjamas on and get yourself ready for bed.

You had taken your shoes off and released your hair from its small diamanté clips when Bucky opened the bedroom door. He sulked into the room and flopped down onto the bed.
"What's wrong with Mr. Grumpy Pants?" You mock as you move to join him on the bed.
"Why are you friends with people like that?" He mumbles, referring back to Peter.
"I'm not! I used to be." You defend.
"You're too good for an idiot like him."
"I don't care about idiots like him. I care about you. You're my little idiot." You joke, leaning over and kissing his cheek. Your dress produces a swishing sound as you move.
"You're too good for me, too." His words are barely audible and you sit back up to look at him in shock.
"James Buchanan Barnes, don't you ever say that again!"
He glances at you then averts his gaze.
"Seeing you with other guys just makes me think how easy it would be for one of them to take you away from me." Self-pity lines his words as he speaks and he stands up off the bed with a sigh.
"It's you I love," you comfort, "and no one will ever separate us. You are mine and I am yours. That's all there is to it." You stand behind him, placing your arms around his waist.

This seems to change something in Bucky. He flips like a switch and soon has flipped you too. He's facing you, gripping tightly at your waist with his left hand. His right hand fully covers your left cheek as he pulls your face towards him until his lips find yours. You kiss him back, enthralled in the unexpectedness of it all.
He pulls away, breathless.
"You're right. You are mine." He growls seductively.

Before you can comprehend anything, you are against the bedroom wall. Both of your hands are pinned against the wall above you, held tight in the metal bond that is Bucky's left hand. His lips are still against yours and you felt completely helpless. You writhe your body against his, trying to create any friction between the two of you, wishing you had use of your hands. Bucky groans as your hips manage to grind against his.

As he trailed hot, desperate kisses down your jaw and onto your neck, you longed for nothing more than to wrap your hands into his long hair, but his grip on your wrists never loosened. You could feel the fabric of his suit on your bare legs as he sucked and nibbled on your neck. You were in ecstasy.
He dug his teeth gently into the flesh of your neck, causing you to gasp. He removed his teeth, gently caressing the mark with his tongue instead.
He pulled away to stare at you with his burning gaze. "Mine."

*time skip*

"(Y/n), what's that on your neck?" Tony asked the following day in the tower.
"Wh-what?" You blushed, pulling the collar of your shirt up further.
"Is that a hickey?" He almost squealed, running over to you and pulling your collar away.
"Did Bucky do this?" Tony was practically shouting the whole tower down in excitement.
Bucky entered the room, looked at the scene in front of him, and swiftly turned to leave. Tony wasn't about to let that happen and instead grabs Bucky's wrist and drags him toward you.
"You ought to be more careful with her, Barnes." Tony grins, gesturing toward the small circle on your neck.
"I was marking her. She's mine." Bucky mumbles bashfully, looking to the floor.
Tony looks toward you then back to the shy-looking Bucky.
"I didn't think you's two would be into all that dominant, rough stuff." Tony sounds deep in thought.
You and Bucky both begin to blush.
"Interesting." Tony mutters, exiting the room and allowing his imagination to run wild.