Bucky's POV

It's been 2 months since Kate discovered her powers. Since then she's learned how to harness them and control them for the most part but is still learning more about herself so she hasn't been on a mission yet. It's become a habit of ours to go running every morning, occasionally Steve joins us.

She's still with Tony, he's actually been treating her pretty well compared to how he usually acts. Steve gets more and more heartbroken every day as he watches them fall more and more in love.

"You coming today?" I knock on Steve's door on my way to get Kate.

"Nah, I've got some work to catch up on." He lies.

"Alright, your loss." I say before making my way to Tony's room. "Is everyone decent?" I ask as I knock on the door.

"Is that all you think we do?" Kate asks, opening the door with her running gear already on.

"You're not wrong, that is all we do." Tony says from the bed and I can tell he's naked.

"Shut up Tony." Kate groans. "C'mon Buck, we're burning daylight." She says.

"What about my kiss?!" Tony yells. Kate rolls her eyes and quickly gives him a peck before walking to the elevator with me while Tony complains about wanting a real kiss.

"How far are we going today?" She asks.

"I was thinking just to the diner and back. That should be about 10 miles total." I explain, she nods.

We begin our run and end up at the diner just as planned. What wasn't planned was us stopping inside the diner to get breakfast.

Steve's POV

I finally drag myself out of bed and make my way to the elevator when I hear a feminine voice coming from Tony's room. Confused, I make my way down the hall and knock on the door before slowly opening it.

"Kate? I thought you and Bucky were-" I stop speaking when I see that it's not Kate in the room with Tony. "Tony?" I ask, clenching my fists.

"Rogers." He says, stepping in front of the woman to hide her.

"How could you do this to Kate? Again?" I yell.

"If you know what's good for you, you'll keep your mouth shut." He threatens.

"How long?" I ask, taking deep breaths.

"Not long.." He avoids eye contact as he speaks. I shake my head at him and slam his door on my way out. I make my way to the kitchen for breakfast, not caring if my anger is showing.

"Cap? You alright?" Clint asks. I turn from the fridge to find him and Natasha sat at the table.

"Peachy." I lie, slamming the fridge door.

"You found out?" Nat asks.

"You knew?!" I turn to her and she looks down.

"I'm a spy, it's what I do." She sighs.

"Why wouldn't you say something?!" I rage. Just then the elevator doors open revealing Kate and Bucky laughing as they talk about something.

"Hey guys." Kate smiles.

"Breakfast?" Bruce asks from the stove, he's making omelets.

"No thanks, we already ate." Bucky smiles. They take a seat on the couch and Bucky puts his arm around her. Since when were they so close?

I look at Nat and she shakes her head but I ignore her, at least partially.

"Hey Buck, could I talk to you for a second?" I ask, he nods before getting up and following me into another room.

"What's up pal?"

"First, when did you and Kate get so close?" I ask, crossing my arms.

"We're just friends, Steve." He says and I let out a breath that I didn't know I was holding.

"Okay. Second, I caught Tony with another woman this morning." His eyes widen as he processes what I say. "Nat and Clint knew already but I don't know how to tell Kate."

"Wait." He says. "Like they were having sex?"

"Well no, but it looked like they were being pretty intimate." I explain. "Bucky, we can't let her stay with him. If she finds out that we knew and didn't tell her, she'd never forgive us."

Bucky sighs and nods in agreement with me. We walk back into the living room to see Kate chatting with Tony and Thor. It'll have to wait til another time.

Kate's POV

"So what're we doing today?" I ask, smiling at Tony.

"Well, I was thinking we could go to a museum and then grab lunch. Oh and I made dinner reservations for the two of us for tonight." He winks.

"Sounds good to me." I lean in and peck his lips. "I'll go get ready."

I make my way upstairs while Tony sits at the table to eat with the others. The doors close and I press the button to the 15th floor. Once the doors open I make my way to Tony's room before starting the shower and hopping in to quickly rinse off.

After my shower, I wrap myself in my towel as I look for something to wear. I decide on a black pencil skirt, red blouse, and black heels. I quickly change into said outfit before sitting down to do my hair and makeup when there's a knock on the door. I yell for whoever it is to come in as I portion my hair to curl it.

"Hey." I hear that painful voice and feel a thud in my chest.

I look in the mirror to see Steve standing behind me. "Hey." I say, trying to focus on my hair.

"Can we talk?" He asks softly.

I sigh and look at him in the reflection. I put my curling iron down and turn to face him. I forgave him a while back, but it still hurts deep down.

"I um.. I know it's not my place--the others told me not to say anything--but I thought you should know." He takes a deep breath. "This morning, after you and Bucky left, I heard talking coming from this room. I was confused so I knocked before opening the door to find Tony with another woman.." I feel another thud in my chest as I look up at the soldier.

"The others know? Even Bucky?" I ask, he nods. I look down at my shoes and take a deep breath. "Thank you for telling me."

"Of course.." He says quietly. "I'll let you get ready." He stands up from where he's sitting and walks out of the room, leaving me with my thoughts.

I quickly curl my hair and apply minimal makeup as I process my thoughts. "FRIDAY? Could you call Tony up here for me please?"

"Right away ma'am." She responds instantly. I clean my things up and put them back where they belong as I wait. Within minutes Tony appears in the room.

"Wow, look at you." He smiles, grabbing my hand. I force a fake smile. "What's wrong?"

I needed to know the truth. I needed to hear it from Tony himself. "How long?" I ask simply, looking up at him.

"What? What are you-?"

"Don't play stupid, Tony. Answer the question." I clench my jaw to stop my tears from falling.

Tony sighs and looks down. "Who told you?" He asks, his voice low and angry.

"That doesn't matter." I say. "How could you do this to me again? Am I just not good enough for you? Am I really that bad?"

"Wait, what? Kate, I-"

"No, I don't want to hear it. Sorry doesn't mean anything from you anymore." I shake my head. "Bring whoever she is out today. I'm not going."

"What?! Kitten, come on. It's not what you think!" He pleads.

I sigh. "I'll move whatever things I have in here out while you're gone." I say, grabbing my purse and walking out of the room.

I step onto the elevator and press the ground floor, needing to get away from this tower and the people in it. The elevator stops on the 10th floor--the living room/kitchen--and I groan, not wanting to see anyone. Steve steps into the elevator and furrows his eyebrows.

"You're still going with him?" He asks, a bit shocked and upset.

"No." I say. "I just need some air."

"I'll come with you. You shouldn't be going out in the city alone." He says, causing me to look up at him. He's wearing jeans and a white button up shirt with the sleeves rolled up.

"Fine." I give in, looking away from him. I can't help but smile a bit at the fact that he still cares so much.