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Jumping Dimensions

Summary:

Set after 2x7 of Supergirl. Alex goes missing, Kara and Maggie go to Earth-1 to ask Barry for help. But something has gone really wrong.

Notes:

We are just going to pretend for the sake of this fic that Cisco is the one who came to save Barry when he ended up on Earth-38 the first time, and that is when he gave Kara the Interdimensional Extrapolator. Basically canon, just putting my own twist on some things. Hope you enjoy!

(See the end of the work for more notes.)

Chapter 1: The Beginning

Chapter Text

"Pool. Tomorrow night." Those three words had been replaying over and over in Maggie's head all night. It was all she could think about. Alex was going to give her another chance. They could be friends. Right?

Earlier that day, when Alex had told her that they weren't friends, Maggie's heart nearly stopped. But then Alex continued, bearing her soul to Maggie. She never wanted to make Alex feel that way. Ever. Seeing Alex so distraught was heartbreaking. Hurting Alex was the last thing that she ever wanted to do.

Maggie cared for Alex more than words could express. So that was why Maggie had showed up to talk to Alex that night, to explain that she didn't want to lose her.

She really hated the fact that Alex believed that Maggie didn't want her. Maggie had never said those words. But she couldn't tell Alex the truth, Alex deserved way more than what she could give. Or at least that was how Maggie saw it.

Hell, Maggie's ex had called her borderline sociopathic. Alex doesn't deserve someone like that. So, if Maggie had to fight to be Alex's friend just so that she could be in her life, then that's what she'd do.

The next day was no different. All she could think about, was that in a few short hours she would be at the bar playing pool with Alex. Most likely losing.

The closer it got to the time they were supposed to meet, the more nervous Maggie got. What if Alex decided that this was too hard? What if Alex didn't want to be friends? Maggie's nerves were getting the best of her.

The detective decided to go to the bar a bit early. Maybe have a couple of drinks to calm her nerves.

"What can I get for you Sawyer?" M'gann asked when Maggie sat at the bar.

"Can I just get a shot of tequila and a beer?" Maggie asked.

M'gann nodded and started making Maggie's drinks.

Maggie downed her shot and chased it with her the beer. "You okay Sawyer?" M'gann asked.

"Just been a long week." Maggie replied. She found herself looking back at the door frequently, waiting for Alex to walk in. Maggie checked her watch, 8:30pm. They were supposed to meet up at 8pm. Alex was late. Alex was never late. She must have decided to back out. "Fucking great." she mumbled to herself.

"You want another?" M'gann motioned towards Maggie's empty beer.

"Yeah. And three more shots of tequila while you're at it." Maggie replied.

M'gann looked slightly concerned, but obeyed the detective's request. "Here you go." she said sliding the drinks towards Maggie.

"Thank you." Maggie said before quickly downing the three shots. She needed alcohol, and lots of it. Alex had bailed on her.

After Maggie had a few more drinks in her, she decided to call Alex. Ask her why she bailed without saying a word. Alex's phone didn't even ring. Just went straight to voicemail. "Great." Maggie mumbled before ordering herself another shot.

By the end of the night, Maggie was beyond drunk and had to call a cab to come take her home. She stumbled her way inside and passed out on her living room couch, fully clothed.

The next morning came with a killer hangover and Maggie was kicking herself for drinking so much.

*knock knock knock*

Someone was knocking on Maggie's front door. "Who the hell is that?" she muttered, rolling herself off of the couch.

*BANG BANG BANG BANG BANG*

The knocking got louder and more frantic sounding. "I'm coming!" Maggie called. She hurried to open the door and was surprised by who she saw standing there. "Little Danvers? What are you doing here? And how do you know where I live?" Maggie asked upon seeing Kara Danvers in her doorway.

"Have you seen Alex?" Kara ignored her questions.

Maggie was taken aback. "We were supposed to meet last night, but she bailed without a word." Maggie said slightly frustrated.

"She didn't call or text you?" Kara asked. She seemed to be very concerned.

"No." Now Maggie was starting to worry about the elder Danvers sister as well. "You mean to tell me that you haven't heard from her at all?"

Kara started pacing. "No. She left to go meet you last night and I haven't heard from her since."

What the hell? Alex was missing? "Well where would she have gone? And why didn't she tell anyone?" Maggie asked freaking out.

"I don't know." Kara turned to leave the apartment.

"Uh, where are you going?" Maggie asked grabbing Kara's arm to stop her.

Kara turned to face Maggie. "To find my sister."

Maggie grabbed her jacket. "I'm coming with you."

"No." Kara said firmly.

"What do you mean no? Of course I'm coming with you! We need to find her Kara!" Maggie explained.

"Maggie you can't come. I need to find my sister, and I don't need your help." Kara stated firmly.

"No offense Kara. But you are out of your damn mind if you think that I'm just going to sit here on my ass while Alex is god knows where." Maggie said.

"Why are you so adamant about this? You're the one who turned her down in the first place.

Maggie sighed. Of course Alex told Kara. She is her sister. "Kara. It's complicated. Alex deserves the world. She's smart, and funny, and incredibly badass. She doesn't let fear bring her down. She deserves more than what I could give her. Also, I'm pretty sure that she's in love with Supergirl." She confessed.

"Oh! Ew!" Kara said clearly disgusted.

"Ew? Alex is an amazing human being. And Supergirl would be lucky to have Alex Danvers love her! Anyone would." Maggie said angry that Kara thought that Alex couldn't deserve someone like Supergirl. "And you know what? It's pretty shitty that you wouldn't support your sister and Supergirl. What, do you think that Supergirl is too good for Alex or..."

"I'm Supergirl!" Kara interrupted Maggie's little rant. "There is no world in which Alex is in love with me, or I'm in love with Alex."

Maggie had never felt so dumb. Kara was Supergirl. How had she never seen this before? She had just automatically assumed that because of the way Alex was around Supergirl, that she was in love with her. "Shit. I fucked up." Maggie muttered.

"Yeah you did. Ew. I can't believe you thought that Alex and I..." her sentence trailed off and Kara shuddered.

"I'm sorry Kara." Maggie apologized.

Kara looked at Maggie sympathetically. "Well if you're coming with me, let's go. We need to get to the DEO."

Maggie was surprised that Kara would offer for her to come. Especially after everything that had just happened. "Let's go then." she grabbed her jacket and proceeded to walk towards the younger Danvers sister.

"Hope you don't mind flying." Kara smirked.

Maggie was about to respond but Kara quickly grabbed her and was out the nearest window in a flash. At first, flying had taken her breath away. But when Maggie opened her eyes and looked around, her breath was taken away again. But this time for a completely different reason. It was so beautiful. Looking down, the city seemed to peaceful. Maggie knew that it wasn't, but it was still peaceful looking nonetheless.

They touched down at the DEO minutes later. Kara practically ran inside and down to where her friends were. "Supergirl, Detective Sawyer. What are you two doing here... together?" Winn asked when he saw the two women enter the DEO.

"Winn, go get J'onn and James. We need your help." Kara replied.

"What's going on? Is everything okay?" Winn asked.

Kara looked like she was about to cry. "It's Alex. She's missing." Maggie said.

Winn ran as fast as he could to get J'onn and James.

Maggie had Kara sit down as they waited. "What happened?!" J'onn busted into the room.

"We don't know." Maggie spoke up. "She was supposed to meet up with me last night, but she never showed."

"I can't feel her. I can always feel her. I always know exactly where she is. I can always find her." Kara buried her face in her hands. "It's like she just dropped off of the face of the Earth."

"On this Earth." Winn mumbled.

"What did you say?" Maggie asked confused.

Winn hopped to his feet excitedly. "Guys, what if Kara can't feel or hear Alex because Alex isn't on our Earth anymore?" he suggested.

Everyone seemed to be coming to the same conclusion, but Maggie was just confused. If Alex wasn't on Earth anymore, then where could she be? Space? "What do you mean that Alex might not be on Earth anymore?" she asked.

"I didn't say Earth. I said OUR Earth." Winn replied.

"What the hell does that even mean?!" Maggie was even more confused.

"Do you remember 'The Blur'?" James asked.

"Yeah. The guy that showed up, helped Supergirl against Livewire and Silver Banshee, and then disappeared off of the face of the Earth?" Maggie asked.

"That's him. Except his name is Barry Allen. Where he's from, they call him 'The Flash'. Barry isn't from our Earth. Have you ever heard of the Multiverse Theory?" Winn asked.

"The what now?" Maggie was becoming even more confused than she was before.

"Basically it states that there are multiple universes. I don't want to get into too much detail because if I do, we'll be here all day. But the theory has been proven to be true. So basically, what I'm suggesting is that maybe Alex is on a different Earth." Winn briefly explained.

Maggie's mind was blown. There were other universes? How was that even possible? She had so many questions. But under the circumstances, she refrained from asking any of them. The first priority was finding Alex, on whichever Earth she was on. "Okay then, what do we do?" she asked. "How do you know which Earth Alex is on? And how could we possibly get there?"

Everyone got quiet. Maggie had made a good point. They had no idea what Earth Alex could be on. "Wait! Didn't Barry and his Friend give you that thing? The one that lets you jump dimensions?" James asked breaking the silence.

"The Interdimensional Extrapolator!" Winn said excitedly.

Kara was up in a flash and running out of the room. Within minutes she was back holding a small object in her hands. "I can go to Earth-1 and find Barry and Cisco. Maybe they can help me figure this out. Maybe they can help me find Alex." she said excitedly.

Maggie jumped up. "I'm going with you." she stated firmly.

Kara's smile faded. "You can't come. We don't know what happened yet and it's just not safe Maggie."

"No offense Kara, but you have gone bat shit crazy if you think that I am staying here while you go off on your own and save Alex." Maggie argued.

"Maggie, I can't let you go with me. I'm serious. We don't know how dangerous this is going to get." Kara stated.

"This is Alex we are talking about. Plus, if it's as dangerous as you think, you're going to need all the help you can get!" Maggie countered.

"I'll have Barry and Cisco and the rest of their team." Kara said.

"But none of them know Alex like I do." Maggie pleaded.

"Maggie. If something happens to you, I'm pretty sure that Alex would never forgive me. Please Maggie, you can't come with me." Everyone was staring at the two girls, waiting for Maggie to say something.

Maggie knew that she wasn't going to win this fight. Kara was just too adamant. She sighed. "Fine. Just... just make sure that you bring her home."

Kara nodded knowingly. "Okay. Well then, on that note. I better get going."

Winn ran up and pulled Kara into a tight hug. That man could be extremely overdramatic. Everyone took their turns hugging Kara and wishing her safe travels.

When everyone was finished hugging and being all sentimental, Kara stopped to look at Maggie. She motioned for Maggie to come hug her. Maggie wasn't much of hugger, but under the circumstances she caved. "I'm going to bring her home, I promise." Kara whispered.

Maggie felt like she was going to cry, but she blinked back the tears. She refused to cry in front of these people. "Be safe." Maggie told the other girl, stepping back.

Kara took a deep breath and activated the Interdimensional Extrapolator. The portal opened up immediately. Kara turned to look at her friends one last time. She took another deep breath and jumped through the portal.

It was happening before Maggie ever realized that it was happening. She was running for the portal. "Maggie! NO, STOP!" she heard someone yelling from behind her, but it was too late. She dove through the portal just as it was closing and landed roughly on the ground on the other side.

"Owch fuck." she said to herself.

"Maggie! What the hell are you doing here?" Kara exclaimed upon seeing the detective on the ground.

Maggie got to her feet. "I told you, you aren't doing this without me. Now are we just going to stand here and argue, or are we going to figure our how to find Alex?" She asked standing her ground.

Kara looked like she wanted to ring Maggie's neck, but she refrained. "Well, let's go then."