Author's Note: I know, it took a while for me to post the last chapter. I was just running into some blocks. Let's hope that I can pull more inspiration! I've been rewatching more of The Flash, as well as Supergirl. And honestly? I can't wait for when this story gets to the Elseworlds Saga. I have /a lot/ of ideas.

Disclaimer: I do not own Supergirl or Transformers. They belong to CW and Hasbro. I only own my OC.

❛ Upon this journey I fight, from the day into the night

There is no place you can hide, I'm getting closer

My mission plainly assigned, my enemies I will fight

It's just the matter of time 'til this is over! ❜

[ — Spy Hunter, Saliva ]

Location: DEO Headquarters, National City.

Lena Luthor was currently heading down the hall to the makeshift lab that had been set up. She had seen quite a lot over the past few years, but nothing could've prepared her for this. She was working with an alien race that she never even had seen before, and this was saying something because she had seen a lot.

She had been working with Brendan, the Techno-Organic, for the past few days to try and detoxify the atmosphere for Supergirl. At first, it was odd. Because on the surface, he looked human, but beneath the skin was biomechanics, metallic organs and glowing blue blood. It was almost like something out of a sci-fi movie.

And then there were his guardians, the three metallic titans who he had called his family for so many years. She had learned a bit about them.

There was Dropkick, who was the shortest of the trio. Despite his size, he had quite the temper. Blitzwing was other male of the group, who was mostly silent yet helped point things out to Lena to help assist her. Then, there was Shatter, who was the only female of the three. Lena could already tell from the moment she saw her, that she was like the mother to Brendan.

She was also the one who strongly enforced upon their agreement in working together with the DEO, in regards to their weapons tech and the Nexus Suit were strictly off limits. It was understandable, with weapons such as theirs, in the wrong hands could lead to unpredictable damage and deaths.

Supergirl had also awakened a bit after the agreement was made, but she had not been made aware of who was helping out make the atmosphere safe for her again. It was probably a good thing at the moment.

"OW! God dammit!" A loud voice pulled Lena from her train of thought as she made her way around the corner to find Brendan, sitting at a bench on his lonesome with his right arm appearing to be flat back against the bench.

Getting closer, she saw that the skin on his right arm was completely peeled back, a hand cupping over her mouth as she finally saw what was beneath. His entire arm was cybernetic, a chrome gunmetal grayish color that was a bit transparent. Blue lines flowed along the arm, similar to that of the veins of a human as it pumped fresh Energon, the lifeblood of the Cybertronian race.

However, there was a spot that he seemed to be working on. There was a massive gash on the lower part of the wrist, which seemed to spark a bit. That was when Brendan's head turned slightly.

"If you're going to stand there and gawk, then at least come and help me out?" His voice cut through the silence like a knife, which caused Lena to jump a little bit.

"I...um...sure!" She said, making her way over towards the bench before pulling up a stool to sit on his right side.

He reached over, grabbing a pair of glasses off the table. They looked almost like a regular pair of reading glasses, but, there was a small nub near the left lens.

"Put these on, I designed them myself. My ion torch emits light that is harmful to human eyes, these will ensure you can still see while I use it." He told her, as Lena reached out and put the shades on. Her fingers grazing over the nub which caused the clear lenses to suddenly go black. She, however, could still see.

He then handed her some tweezers. "There's a piece of broken shrapnel left over from when Otis Graves shot me, it's messing with the joints in my fingers. I need you to use these to pull it out, but be gentle and slow. You pull too hard or too quick, and it'll break off." He instructed her, the woman nodded slowly as she took the tweezers and guided them gently into the open gash.

"You ever play Operation as a kid?" He asked her, the latter nodded. "Well it's just like that, my pain receptors are still active so don't graze the sides, cause it hurts more than you think."

Getting into the gash, Lena gently squeezed down on the piece of shrapnel that was sticking out from the wound. That's when she pulled upwards, slowly and steadily as a soft squish noise emitted from the open wound. As she pulled it free, a trail of Energon dripped from the bottom. She looked at his face, and could see that he was definitely feeling it.

"It's alright, you probably just freed up the Energon line that the shard was blocking. That'll heal on its own." He assured her.

Finally, the shard came free and she placed it on the table. There was a sigh of relief as he took a deep breath.

"Did...did that hurt?" She asked, concern coming from her tone.

Brendan shook his head. "It's nothing I can't handle, think of it as ripping off a band aid. It hurts for a few seconds, but is replaced by sweet bliss."

That's when he raised his left arm up, the flesh peeling back and the arm suddenly transforming into what appeared to be a welding torch. The tip then ignited in a greenish hue, as he moved it down and began to weld at the open gash. It only took a two minutes, but as soon as it was done the flesh of his right arm peeled back over. The torch transformed back into his regular hand, as he squeezed and wiggled the fingers of his right hand.

"Ah, that's better! I can finally flip off people who cut me off on the highway." He teased jokingly of course, putting all the tools he had brought out back in a little toolbox before putting it off to the side.

Lena watched him, observing his behavior. Despite the situation, he maintained a level headed and somewhat childish attitude. It usually irked her when someone acted childish in serious situations, but with him she could tell that he was doing it to mask the guilt. All the people in the DEO blame him for Supergirl's condition, accusing him of all of it.

She felt bad, she knew what it was like to be blamed for things that she didn't do. After all, she was a Luthor and she always seemed to get blamed her brother's past mistakes.

"I'm gonna head upstairs." Brendan spoke, grabbing his jacket off the chair before walking over towards the elevator.

Lena, however, continued to stand there in her own thoughts.

Brendan was sitting in the elevator, his mind wandering. There was so many things going on now, so many new things have happened in the past few weeks. Becoming Nexus, saving Supergirl, revealing his identity to the DEO.

All of it was just causing him to have mixed signals, he just couldn't focus on any one thing. His thought process however, was interrupted when he heard the sound of his internal comm going off.

:: Brendan, we've picked up a distress call from another one of our allies. There's an attack on the Precinct at Fourth Street. Dropkick is already there doing recon. :: Responded the voice of Shatter from the other end of the comm.

"I'm on my way. Tell Dropkick to maintain vehicular cover until I say otherwise." Brendan told her, just in time for the elevator doors to open on the top floor of the DEO. He could already see people mobilizing, doing the same thing. He also saw Director Danvers talking to a now awake Supergirl, who was still wearing her protective filtration suit.

Ignoring the conversation, Brendan instead headed towards the open balcony. He moved around several agents, not even paying attention to them. He had to make it to the precinct first, knowing the DEO they'd take too long. He had to be faster.

Supergirl, while still talking to Alex, noticed the out of place Brendan moving towards the balcony. When Alex noticed that Supergirl wasn't paying attention, her head turned towards the direction she was staring at only for her eyes to widen when she saw Brendan climbing the balcony rail that led to a steep drop down the side of the building.

Alex literally ran full sprint towards the balcony, only to watch as Brendan lept off the open rail with Alex reaching out to catch him.

Brendan however, instead twisted the dial on his wrist watch which caused the digital armor pieces reappear as they formed around him. They quickly snapped onto his body, locking into place as the jets on the feet as well as the back area ignited, giving him lift only seconds before he was able to make impact.

The thrusters went full power, literally creating a thunderous boom as Alex watched the armor vanish around the corner of a building. An annoyed sigh leaving the director's lips.

Supergirl, however, had seen the entire thing. And simply stared at her sister with arms folded over chest.

Someone had some explaining to do.

Location: National City Precinct, Fourth Street

Nexus landed a few feet towards the entrance of the precinct, the ground cracking underneath the armor's weight as he looked towards the building. Using thermal vision, he looked into the building and saw multiple heat signatures.

Some of which, were attacking others.

"Engage non-lethals." Brendan said

"NON LETHAL FORCE: ENGAGED!" The suit responded, in an automated female voice, as Nexus stomped right into the building. He didn't even bother using the front door, instead tearing it off the hinges like cheap aluminum and tossing it aside as he rushed inside.

As he walked in, he noticed several identical officers attacking others, the glow in their eyes definitely signified an alien presence. The first one he went after tried to jump him, running full speed only for Nexus to swing his arm out, effectively knocking the wind out of him.

Another one jumped on his back, trying to see if he could pin him down, but Nexus boosted backwards into a wall. Not with crushing force but enough to cause him to release his grip.

That's when the 'PING' of a bullet bouncing off the armor caused him to snap around. One of the clones had a gun in hand, and was firing off rounds blindly at him. Some of the bullets were ricocheting awfully close to some of the innocent officers.

There were too many of them, and not enough time to stop all of them before they hurt someone. So instead, Nexus hovered back towards the center. His palms now surging with green electricity.

"SONIC PAIN WAVE: FULLY CHARGED" The suit responded once more, as Nexus then ceased hovering and slammed both palms into the ground. The electrical charges that Nexus had built up in his dispersed into the ground, causing them to arc through the ground and hitting every cloned officer, but leaving the innocent officers unharmed, as the clones convulsed with green electrical surges before going limp.

"HOSTILE THREATS: NEUTRALIZED. CIVILIAN CASUALTIES: ZERO" The suit spoke once more, as Brendan had a small sigh of relief as he headed back towards the entrance, watching as DEO agents were already rolling up, exiting their vehicles.

Among the agents, was a very irate Alex Danvers, who simply walked up towards Nexus with arms folded over her chest. She looked back towards the other Agents, gesturing a hand towards the entrance to the police station.

"Go inside and check everyone, make sure nobody is hurt!" Alex ordered, in which the other agents responded right away. With Alex now looking back into the piercing blue orbs of Nexus.

"You had no right to engage them—" she was cut off when Nexus literally raised his hand in front of her.

"I had every right to. I said I would help Supergirl, but that doesn't mean I take orders from you. The job is done, the atmosphere will be clean in a matter of hours. And while you're planning strategies, people are dying. Sometimes, the only plan of attack, is to simply just attack." Nexus explained, before walking around her and taking back off into the skies, a sonic boom being left in his wake as he disappeared from sight.

Alex simply sighed, while his actions were reckless, he did get here quick enough to prevent any further casualties. Perhaps his actions were justified. Her thoughts were cut off from the glimmer of chrome that flashed in her peripheral vision. She had to place a hand up to shield her eyes from the sight as she got a good look at what was blinding her vision.

It was a large semi truck parked near the intersection that connected with the precinct, primary red with a white stripe going down the side, along with the trailer that was connected with it. It felt almost out of place in this environment. Alex couldn't see any driver, mostly because the windows were completely blacked out.

Alex herself couldn't shake the feeling that it was watching her. That's when a thought crossed her mind. . .

. . .what if this truck was more than meets the eye?

She never even got a chance to fully figure it out as the rumble of the semi's engine overshadowed her thoughts. She began walking towards the truck, however, the truck was already rolling forward, pulling further and further away from her as Alex know she couldn't catch it, the silver trailer was already rounding the corner.

And then, it was gone.

The red and white Freightliner continued down one of the busy streets of National City, within the darkened cab, a screen on the center of the dash began playing back footage of Nexus's interaction with Alex. The video pausing and suddenly beginning use the image of Nexus's suit to generate a 3D image.

"Ratchet, are you receiving the data that I am transmitting—?" A deep, baritone voice rumbled within the cab, as a second voice responded back.

"I am receiving, and I shall be able to determine a point of origin in a matter of hours. But, I must ask you, are you sure this is him? I know that he's been missing for years, but I don't want you to get your hopes—"

"I appreciate your concern, old friend. But, this is him. I can feel the energies of the Matrix emanating within him." The baritone voice explained

"You made the choice of sending him away to protect him, and now you want to bring him back into your life? Why?...Why now?"

The baritone voice responded back.

"With HIS return rapidly approaching, I fear there will be catastrophic results that come. And I do not want anything to happen to the one I promised Kaycee I would protect. . ."

"You know that I, and the other Autobots have your full support...Optimus." Ratchet responded.

"Thank you, old friend. Give me the coordinates as soon as you finish locating him."

Optimus then cut the connection, as he shifted into high gear before heading further into the city.