Thanks for trying out my very first story for X-men! It's a sort of crossover with the Avengers and there are some mentions of Agents of SHIELD in the first chapter. The real crossover is going to happen in later chapters, though. Not quite sure if I'm going to add all of the Avengers in those chapters or not, but we'll see.

I hope you'll enjoy it! Let me know if you do in a review or a follow/favorite! It motivates me to write more. :)

Memories

Disclaimer: I don't own the X-men. I only own my OC

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English is not my native language and there might be some grammatical faults! Sorry about that.

Chapter 1

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2013, SHIELD headquarters

"Are you sure she's going to help us, sir?" asked agent Phil Coulson as he, along with director Fury, was standing in a narrow hallway looking through a glass window.

The narrow hallway was long and lit up by small lamps that barely helped lighting up the dim hallway. Along the hallway, there were multiple glass windows. On the other side of each window, there was an interrogation room. None of the interrogation rooms were being used at the moment except for the one Fury and Coulson were standing at.

"I'm sure she will," said director Fury, keeping his eyes on the woman seated on the other side of the wall.

"Mutants have a history of not wanting to help us," said Coulson, giving Fury a side glance.

"This one will," said Fury before opening the small door that led into the interrogation room.

The woman was sitting on a wooden chair in front of a table. Her raven black hair was tousled and her lip was slightly cracked. As director Fury and agent Coulson walked inside the room, being extra careful to shut the door behind them, her baby blue eyes followed their every move. As the two men sat down in front of her, the woman tried to move her hands which only resulted in her handcuffs tightening around her wrists, making her stop moving her hands and glare up at her captures.

"You know, I once had a friend who could get me out of these handcuffs in the blink of an eye," said the woman, her voice soft yet somehow still harsh.

"What I've heard, he was more than a friend," said director Fury, quietening the woman with his words. "I have an offer for you."

"Oh really," said the woman, smirking slightly.

"If you help us, we'll let you go," said Fury, looking the woman straight in the eyes without blinking.

"I think I recall agent Coulson saying the same thing," said the woman before moving her hands again, signaling that he had handcuffed her anyway.

"You hit agent May," said Coulson.

"She hit me first," said the woman, leaning forwards slightly as she said this.

The room went quiet for a few minutes. In these quiet minutes, agent Coulson and the woman simply stared at each other. The both of them not showing any hate towards each other yet still signaling to each other that they weren't friends.

The woman finally sighed before leaning back in her chair again, looking at director Fury again. "What do I have to do?"

"There's a man in New York who I believe you're quite familiar with," said director Fury as he put a PAD on the table in front of the woman, turning it on with a simple touch of his finger. "He has already taken out many of my agents, even some of my best, and we think – or rather we hope – that you can help us stop him."

The picture that was shown on the PAD made the woman's eyes widen. Emotions filled her entire body yet she didn't look away. She had missed that face. Even though his face had aged and his hair no longer was the same light brown mixed with gold as it used to be, his eyes still were the same. The ocean blue color had not disappeared nor had the determination that his eyes held either.

"Why do you think that I can help you stop him?" asked the woman, her voice now low and missing the harshness it had held before.

Director Fury didn't look away from the woman's face as he swept his finger over the PAD again, making it show all the pictures, notes and files that they had gathered on both her and Erik Lehnsherr.

Memories started to float though the woman's mind, her baby blue eyes now showing emotions beyond imagination as she was thrust back into her history…

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1908, the Montgomery's Mansion, Brooklyn

Marie Montgomery was staring at herself in her mirror, her face slightly wet from being splashed with the water in the small bucket standing on the mahogany table in front of the mirror. Her breath was shaky and her baby blue eyes were puffy. Behind her, her older sister Margaret was standing, holding a small towel in her hands.

"It's okay," said Margaret. "You're alright now."

Marie looked at her sister through the mirror, nodding slightly before turning around to face her. She took the towel from her sister and buried her face in it, breathing out a slow breath as she did.

"What… what did you see?" asked Margaret, making Marie look up at her again. "I mean… that seizure-"

"I know," said Marie, her voice weak and slightly shaky. "Another one of my damned visions."

"Don't say that," said Margaret, taking the towel from Marie as she took a few steps towards Marie so that she now was standing right in front of her. "It's a gift. A gift that God has given to you."

Marie rolled her eyes slightly while Margaret started to dry Marie's face on the places that she herself had missed. "Don't you roll your eyes at that, baby sister! You have to start believing that you are special! That you have been chosen by God to hear his voice and help people. Just like you helped that poor boy who was going to fall into the water."

"God didn't give me this power," said Marie, not believing a single word that her sister was saying. If God had indeed given her these "powers", than he would have at least made it less horrible for her. He would have made it pleasant and he would have made it possible for her to actually control it. Instead she would fall to the floor, her whole body cramping and shaking while her eyes rolled back into her skull.

"What did you see?" asked Margaret again with a sigh as she turned around and placed the towel on the mahogany table.

Marie closed her eyes, remembering the vision she had had just a couple minutes ago. In her vision she had seen fire. Lots of it. The screams of people dying had been almost the only thing that she had heard except for her sister saying the words "I'm here," over and over again. Something her sister usually whispered to her whenever Marie had a vision of hers.

The fire had been started by a drunken man. Someone who she knew that her father had fired a couple days ago, another thing she saw in her vision. She recognized the spot that the drunken man had been standing on when he had started the fire but she couldn't quite put her finger on where it was.

She was just about to open her mouth and tell her sister what she had seen, when she suddenly remembered where she had seen that spot before.

Her eyes widened and she stared at her sister with an open mouth. Margaret looked at her with concern.

"Sister?"

"The house," said Marie simply before running out of the room, holding her skirts up so as to not trip on them and a panicked look on her face.

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Only fifteen minutes later, the two sisters were standing outside on their huge garden which no one really used to take care off. They were holding hands while their eyes were filled with tears that were streaming down their cheeks. None of them said anything as they watched the house they both had grown up in burn.

The flames reached high up into the sky and almost seemed to be laughing at them as they burned their mother, father and two younger brothers along with all their belongings.

Margaret had ran after Marie outside. They had found the man on the spot in the garden next to their house. However, they had been too late. Usually Marie's visions were visions of things that were going to happen later on in the week or at least a couple of hours later. But this time, her vision had not come earlier just like they usually did.

Anger filled Marie as she thought about her powers and how she could have saved her family if she only had brought them with her outside. Or if she only had had her vision much earlier that evening. Anything would have been better than to stand out here without her family. Of course she had her sister, the only one that did in fact believe her when she had told her family she had certain powers. She was happy that Margaret had survived even though she only believed in her because she thought that God have given her these powers. But her parents were now gone. Her annoying younger brothers too. She didn't have anyone anymore to tell her to act more like a lady and neither did she have anyone that pranked her in the middle of the night just to be able to see Marie's vein in her forehead appear.

"Come," said Margaret, her voice thick with grieve. "We need to leave."

"Why?" asked Marie, tears still streaming down her cheeks.

"There's no hope for us here anymore. Father had many debts and was going to lose the house soon, you know that. We're the only ones alive. We need to flee. Or else, we'll have to live on the streets!"

"Maybe they're still alive!" said Marie as she tried to walk towards the still burning house, her vision blurred by the tears in her eyes.

"They're not! Come on! We need to go!" cried Margaret as she started to drag her younger sister away from the house and towards the road.

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1962, deep in the woods, US

Marie was standing in front of a small stone that was placed on the green grass underneath a big oak tree. In her hands she was holding a pink rose. Her dark jeans made no sound as she crouched down in front of the stone. A soft yet sad smile played on her lips as she placed the rose on the stone that read: "Margaret Montgomery, 1890-1952."

She ran her hand through her long raven black hair while taking a deep breath. It had been ten years since she had lost Margaret. She hadn't known she would have died. She hadn't even had a single vision about how the one person that she was the closest to would die. In fact, she never had had a vision about Margaret in her entire life. She had had visions of her dead family, when she still lived in Brooklyn, of them becoming ill or small things like that. But never about Margaret. She didn't know why, and she probably would never know why either.

With yet another sigh, she stood up and turned her back on the grave. She had chores she had to do such as watering the tomato plants, going into town to buy some more canned food with the little left over money she still had from her last job and trying to train her powers into actually doing as she said. She had trained them for a while now, finally understanding that she would never be able to get rid of her powers and that she instead should focus on controlling them.

She had succeeded in some ways. Every time she had a vision, she could now see it without having a complete seizure. However, the visions she had were all about people she didn't know. Most of them were about a man with blue eyes and light, almost golden, hair. She would see his past along with what he currently was doing. Sometimes her visions would be about a different man along with a blonde woman. She never really managed to see their faces all too well and her visions were blurry and very strange. She couldn't always make out exactly what they were doing nor who she was seeing either. But she was training her mind into becoming stronger and she hoped that she one day would become powerful enough to actually see everything quite clearly.

As she reached her small cottage again, she was shocked to see two men standing there. One of them was looking though the small glass window next to the door while the other one was leaning on the railing, watching the other man with an amused expression on his face.

Marie was slightly unsure of what to do for a moment but decided to say something as she saw the man with the slightly darker hair opening her front door.

"Excuse me," said Marie, placing her hands on her hips.

Both men turned around, their eyebrows raised.

"Isn't opening a door to someone's house when they're not there a bit rude?" asked Marie as she started walking up the few stairs that led up to her front door, feeling a very faint familiarity in her stomach as she took in their appearances. As if she'd seen them before.

"Well, you're here now," said the one that had been leaning against the railing, his hair a very light brown color mixed with a golden color and his eyes an ocean blue.

"Ehm… no, it's still rude," said Marie as she placed herself in the doorway, her eyes on the two men.

"You're Marie Montgomery, aren't you?" asked the other man with darker hair and eyes.

"Yes," said Marie.

"I'm Charles Xavier and this is Erik Lehnsherr," said the dark haired man with a soft smile as he reached out his hand to hers.

As she shook the man's hand, her head felt slightly heavier. Almost as if she was on the breaking point of having a vision. However, as soon as the man let go of her hand, the feeling disappeared.

"We've come to ask you to join us," said Charles.

"Join you?" asked Marie, feeling slightly weary as to who these men were exactly and what they wanted with her. "What do you mean join you?"

"We're like you, Marie," said Erik, making Marie look at him again.

"What do you mean by that?" asked Marie, a worried feeling creeping up into her stomach.

"We too have powers," said Erik, suddenly raising his hand making a small shovel that had been standing close to the door levitate into the air.

A gasp left Marie before she put her hand on her mouth. Again, she felt like she had seen this before and for some reason, this didn't freak her out as much as it should've done.

"We don't want to harm you, Marie. We are simply asking for you to be on our side as we try to defeat someone who is a great danger to the humankind."

"What was that!?" exclaimed Marie, her eyes widening.

"That was me," said Charles, putting his hands up so as to calm her down slightly. "That's my powers. I simply thought that you wanted to see my powers as well."

"Don't freak the girl out, Charles. We want her on our side not against us," said Erik, smirking slightly.

"What do you both want from me?" asked Marie, trying to calm herself down after having heard Charles' voice inside her head as clear as daylight.

"We are trying to gather a group of mutants that might want to help the CIA to defend humankind against a very dangerous man. You are a very powerful mutant, Marie. We want you to join us and help us," said Erik, not breaking eye contact with Marie as he said this.

There was a long silence in which Erik and Marie simply looked into each other's eyes, Charles looking between the two mutants with a raised eyebrow and a confused look on his eyes.

There was something about this woman that intrigued Erik. He didn't know what it was, but there was still something about her that made him actually want her to follow them. Not to mention that she didn't look to bad.

"Mutant?" asked Marie after a while.

"Special people," explained Erik, the both of them still not breaking eye contact.

"Okay. I'll come with you."

Thanks for reading!