AN: Saw this prompt on Tumblr and decided to write it. In which Naruto is a Superhero sidekick and Sasuke is the super-villain. The two meet out of costume and have an instant connection, but why does he look so familiar? Sasunaru

I do not own any of the characters!

I hope y'all like the story, I rushed it a bit and didn't proof read it. Let me know any major annoying writing and I'll try to fix them eventually.

Chapter 1

Even though the building was on fire, Naruto wasn't too concerned seeing as he was able to get all civilians out in time. He and Jiraiya made it to the city minutes before the building was completely engulfed in flames. Jiraiya immediately went to fight, leaving Naruto to assist the civilians. He didn't mind, in fact the reason he decided to use his powers was to save people. But being someone's sidekick wasn't exactly what he signed up for. Not that he didn't understand. He couldn't very well go from a civilian to a superhero without the proper training. But Naruto wanted to be the hero, he wanted people to recognize his strength and protect Konoha with his own two hands. Naruto began clearing a larger area of bystanders in case the battle escalated. Naruto leaped over the rubble with ease, the hooded orange costume made him a beacon to those around in need. The mask he wears used to make the general population weary of him as a sidekick but he couldn't risk the simple face make up Jiraiya uses, the scars on his cheeks, bright hair, and radiant blue eyes all too recognizable. Naruto stopped to lift an overturned car, allowing a young woman and child to get out and run. As the two ran away Naruto heard the child yell to him, "Thank you Fox!", he smiled at the boy before continuing on. Naruto circled the area to make sure everyone was out before returning to the fight between his Godfather and the super villain. The masked man standing in the street cradling a sphere of lightening was his main priority now. The masked man, infamously known as the Avenger suddenly surged forward, striking the Pervy Sage in the shoulder. The Sage fell to the ground almost instantly. This wasn't the first time Naruto and Jiraiya had faced the new villain. Counting the current fight, this would make the seventh time the trio has faced off in the past year. Each clash brought the heroes closer to failure; the Avenger was growing stronger at an alarming rate.

Seeing his mentor crumble from the lightening strike had Naruto rushing to the scene. "RASANGAN", Naruto yelled, throwing all his weight into his strike. The Avenger sidestepped the attack while landing a hard blow to Naruto's gut. The sidekick coughed up blood upon impact but refused to collapse, he swung around his leg, desperately trying to find purchase against the villain's body but he was too disoriented and ended up slammed face first against a nearby charred car.

A firm hand around Naruto's neck pushed him further into the car, creaking under the immense pressure. The villain leaned closer to the hooded orange clad sidekick, "A loser like you could never even leave a scratch on my body." Suddenly the pressure was lifted and Naruto collapsed on the concrete, head pounding from the force. Flipping over Naruto saw Jiraiya back up and fighting the villain. He had forcefully thrown the man off of Naruto, much to Naruto's relief and embarrassment. The Avenger's marked mask haunted the people of Konoha. The man's mask securely held in placed by a navy cloth wrapped around his head making only a few strands of black hair visible at the nape of his neck. The large purple rope tied in a bow around his waist would be comical if not for his terrifying power. Jiraiya blocked the Avenger's lightening strikes with some difficulty but was soon pushing the villain back using his Sage power. The fight was brutal and increasingly damaging to the surrounding area. Naruto watched with rapt attention as the two exchanged blow after blow when suddenly the Avenger disappeared from sight only to reappear behind the Sage, landing a firm hit to his injured side. Jiraiya was struggling to get back up and the villain used the opportunity to slam the side of his head onto the concrete with tremendous force. Before Naruto had the chance to let out a yell, the Avenger appeared in front of him. The last thing Naruto saw before the blackness overtook his mind was a pair of red eyes glowing through the white mask.

Naruto regained conscious slowly, the sound of machines running beside him revealed to him where he was, but he didn't understand how he had gotten there.

"Sa-sakura?" Naruto croaked. "Sakura? Is Jiraiya.. ?"

"Hush brat." A different voice than Naruto was expected replied, "Granny." Naruto smiled around the name. With difficulty, Naruto managed to open his eyes and begin to sit up on the now familiar bed.

In the corner of the room sat an exhausted looking Tsunade, glaring at him lightly.

"Lay back down." She barked but Naruto chose to ignore her order, instead looking around the room he had spent many weeks of his life recovering from fights.

"Is Pervy Sage alright, Granny?" Naruto all but whispered. The woman sighed knowing it best to answer the blond before he tore through the building searching for the old pervert and reopening his healing wounds.

"He's alive." Tsunade answered, "he's still healing but he'll make a full recovery. You two are lucky Sakura, Kakashi, and Yamato made it in time or that Avenger brat would have taken you both out."

Naruto felt instant relief hearing the old pervert was safe and concerned at how strong their nemesis was becoming. He looked at his hands resting in his lap, a feeling of determination filling his bones. He had to become stronger. He had to protect his friends and family from this man and become the hero no one believed he could be. He started to swing his legs off the bed when a hard punch to the head forced him back down forcefully.

"OW! Granny! What the hell was-"

"You're still injured brat. Stay down or I will strap you in that bed for a month and let Sai feed you!" Tsunade threatened.

Naruto blanched at the thought, immediately shutting his mouth and nodding vigorously. Before she could knock him out he mumbled, "Why do I have to stay in bed though? I didn't get that hurt and I heal fast anyway."

Tsunade's eyes flashed confusion then concern before settling into something too close to pity for Naruto's liking. She sat on the edge of the bed with a light sigh before speaking.

"Naruto. He hit you with that Chidori thing right in the chest. An inch to the left and you would have died." Naruto stared at her in shock before clutching his chest. The touch instantly shot pain through his body and he knew she was telling the truth. He sat there, eyes straight ahead in shock before Tsunade sighed standing up to the leave the room.

"Get some rest brat. I'll check on you again soon."

Three days later and all that remained of the injury was a faint discoloration on his chest. It would only take a few months before all evidence of the wound would disappear completely. Naruto was finally released from the confines of his room to visit Jiraiya who was still healing from the battle.

"Hey Pervy Sage!" Naruto yelled swinging open the door to Jiraiya's room.

"I told you not to call me that brat!" The older man yelled, putting down his book in favor of yelling at his loud godson. Naruto smiled and scratched the back of his head while walking into the room fully. The old man had bandages covering most of his right side and fading bruises around his body but one bruise on his head looked darker than the others.

"Oy, Pervy Sage, you hit on Granny again?" Naruto asked, gesturing to the newer bruise. The older man laughed in response and scratched at his head like Naruto, "She'll come around one day!"

Other than the obvious wounds, the man looked back to normal, out of his hero gear. His face sported no red make up from his eyes and his white hair lay short against his head, unlike the long spike like hair he has when fighting. The glasses perched on his nose adding to his normal look. Naruto teased him when he was younger about how his secret identity was too much like Clark Kent. But the old man only said Clark Kent copied him.

The air become tense in the room before Naruto spoke, "Jiraiya. I'm sorry." Naruto looked down, "I'm going to become stronger. Stronger than this Avenger guy, just wait and see. Believe it!" Naruto smiled genuinely at his mentor who smiled back, "I know you will Naruto. I believe in you."

Naruto's spirits soared. He nodded to the man who had trained him for 8 years, since he was only 13 years old and left the room to go train harder than he ever had in his life.