The energy surroundih's mystical defenses crackled imosphere, a stant reminder of the impending invasion. While the sorcerers eled their forces into fortifying the barriers, the Avengers and S.H.I.E.L.D. worked tirelessly to prepare for the iable csh.

  S.H.I.E.L.D's Strategiand

  In the heart of the Helicarrier, Director Nick Fury stood before a massive holographic dispy. Surrounding him were key operatives: Maria Hill, Phil Coulson, and Carol Danvers. The rest of the Avengers were training for the war. But Tony Stark was missing.

  Fury's one good eye sed the map, which dispyed potential points of attack based on intelligehered by their ic allies. "We've got one month," he began, his voice steady but ced with urgency. "And every sed ts. oal is simple: give Earth its best ce of survival."

  Maria Hill stepped festuring to a cluster of marked zones on the map. "We've identified critical infrastructure that needs immediate fortification. These zones house fusiolobal unication hubs, and key supply s. If Gactus' heralds, Thanos, or Knull's forces target these areas, the damage will cripple us before the fight even begins."

  Coulson added, "ents are mobilizing across the globe. We've initiated Operation Bastion, which prioritizes seg these zones with advanced energy shields, automated defenses, and evacuation pns."

  Carol Danvers, arms crossed, spoke with a calmly. "I'll oversee the defense of space-borne assets. The satellites and orbital stations will be our first line of unication and observation. We lose them, and we'll be fighting blind."

  Fury nodded. "Good. Now, let's talk firepower."

  "There are only a few who take ohreats," The A One's voice came as a portal opened behind them. "But I know who hahem."

  Acc to the pn, Wanda will fight Knull, while Peter Parker will fight against Gactus and she will fight the Silver Surfer. Meanwhile, Strange and Carol will try to stop Thanetting the three stones in Kamar-Taj, while the Sorcerers will maintain the barrier. The rest will focus on keeping the enemies away from eter, and the others while they take on the big vilins.

  "You see the future, do we even stand a ce?" Fury asked the A One.

  "If I tell you now, it may not be what will happen," The A One replied. "You must have hope."

  "It's just a feeling," Fury said as he looked at the map of Earth. "I don't have a good feeling about this one."

  ...

  While the rest of the Averained and strategized, Tony Stark worked i. Hidden in an off-the-grid workshop buried beh the Rockies, Stark's mind raced at a million miles per hour. He knew what they were up against: forces so powerful that even the Avengers' bined might would barely make a dent. To Stark, that wasn't good enough. He needed solutions — radical ones.

  The b was a testament to his brilliand paranoia. Holograms, blueprints, and simutions hovered in mid-air, depig advanced onry, suits, and energy systems. Every surface buzzed with activity as robots and automated arms structed pieces of teology far beyond anything Stark had shared with his teammates.

  At the ter of the b, suspended in a drical energy field, was Tony's creation: the Mark Infinity Armor. Unlike his previous suits, this one wasn't just an upgrade — it was a revolution. The armor was infused with vibranium, Uru metal (a favor called in from Thor), and fragments of an a Asgardian artifact that enhas resistao iergy.

  The suit's definiure, however, was its AI core. Stark had spent years refining it, blending the best of J.A.R.V.I.S., F.R.I.D.A.Y., and even a touch of alien teology he'd sged from previous battles. This AI, amed A.E.G.I.S., could prediemy movements, coordih other systems, and act autonomously if Tony was incapacitated.

  "Activate testing protocol," Tony muttered, sipping a nearly-fotten cup of coffee.

  The Mark Infinity Armor came to life, its panels sliding into pce as energy coursed through it. A holographic dispy popped up beside him, showing performaats as the suit simuted bat sarios against Gactus, Thanos, and Knull.

  "Might not stand a ce against Gactus," Tony said, tweaking the energy output. "But against Knull and Thanos… yeah, that'll do."

  As Tony worked, Pepper Potts appeared on a hologram, her expression a mix of admiration and worry.

  "Tony, you've been off the grid for weeks," she began. "You didn't even tell me where you were going. The team's asking questions."

  "Pep, this is bigger thaeam," Tony said, not looking up from his sole. "If this invasiohe way I think it will, we're going to need every ounce of firepower I muster. I'm just—"

  "You're doing the same thing you always do: taking everything on yourself."

  Tony paused. Pepper was right, as always. But how could he expin the weight he felt? The o prepare for every possible oute, especially the worst one?

  "I just want to make sure you and Man are safe," he said quietly.

  ...

  At the far end of the b, a massive drical structure hummed ominously. This was Tony's a the hole: the Stark Singurity on. Drawing on energy from the quantum realm, the on was desigo destabilize celestial entities. It wasn't subtle, and it certainly wasn't safe, but it might just work.

  "Let's see what you've got," Tony said as he initiated a test fire.

  The b shook as a beam of densed energy erupted from the on, tearing through a reinforced target zone. Arms bred as systems struggled to tain the power.

  "o self," He muttered. "Dial down the quantum flux. Don't want to blow up the p while saving it."

  ...

  Tony not only created ons for himself but for the other heroes too... He worked with Shuri to develop some powerful ons and suits. Thor had delivered a new batch of rare metals Tony requested: Uru from Nidavellir, Celestial shards sged from the ruins of Knowhere, and a mysterious alloy gifted by the dwarves, imbued with a runes of prote and resilieogether, these materials were the foundation of a new geion of ons and armor.

  Thanks to Peter's Time Chamber, they were able to finish years of development and research within a few days. Well, roughly speaking, they took over 70 years io make things perfect.

  For Bck Widow, Stark and Shuri developed a lightweight Vibranium suit enhanced with cloaking teology from Wakanda. The suit rendered Natasha invisible across the eleagic spectrum, allowio infiltrate enemy lines unseen. Advanced micro-serrated daggers fed from Uru provided her with a deadly edge against ic threats.

  Shuri designed a battle suit for T'Chal that pushed the limits of Vibranium teology. The suit was equipped with kiic force projectors capable of creating shockwaves that rivaled small explosions. Stark added modur attats, including psma gaus and an energy absorption matrix that could temporarily replicate the powers of a foe it touched.

  For Sam Wilson, they created Vibranium wings infused with Uru, granting them unparalleled durability and the ability to el iergy. The wings could deploy micro-drones capable of creating energy shields or providing c fire.

  For Bruce Baony designed an exosuit dubbed Gamma turion. Infused with Vibranium and Uru, the suit eled Hulk's gamma radiation into focused bursts of energy. Shuri tributed Wakandan shieldio ehe suit could withstand the most intense cshes.

  For Rhodey, Tony gave the War Mae suit a colossal upgrade. The new version was equipped with Celestial psma ons, Vibranium armor pting, and an adaptive AI module simir to A.E.G.I.S., ensuring Rhodey could take e-scale threats with maximum firepower.

  A new shield and suit for Captain America, made of Vibranium, Uru, aial alloy, to keep him protected while using his powers.

  Hawkeye got a new bow. The Horizon Bow. A colpsible bow enhanced with vibranium-tipped arrows and a targeting system guided by Tony's A.E.G.I.S. AI. He also got an invisible suit with the same tech as Bck Widow.

  He also made many more ons for others... [It's impossible to expin every hero's ons.]

  As for the Shield Agents... Nova Shard Bsters: Handheld ons desigo pierce the dense armor of Knull's symbiote dragons, and Stelr Mines: Floating energy mines capable of destabiliziire formations of Thanos's forces.

  As Tony finalized his designs, A.E.G.I.S. became the tral nervous system of the Avengers' arsenal. The AI could coorditlefield strategies, manage on systems, and provide real-time data analysis. Each piece of equipment was lio A.E.G.I.S., ensuring seamless colboratioweeeam.

  "Alright, A.E.G.I.S.," Tony said, wiping sweat from his brow. "Run the final synizatios. This isn't just about tech—it's about trust. If these systems fail, people die."

  A.E.G.I.S's voice, a blend of J.A.R.V.I.S's warmth and F.R.I.D.A.Y's sharpness, responded. "Synization at 98%. Final calibrations in progress. Rest is reended, sir."

  Tony smirked. "Rest is for the dead. And if this p work, that'll be all of us."

  ....

  [Meanwhile...]

  Peter and Wanda decided to postpoheir date and romance for the future and just gave in to their desires. They khat there might not be a tomorrow. So, they were going to make sure that tonight was a night that they would remember forever.

  They ehe Time Chamber together at Kamar-Taj...

  ---

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  AN: I'm writing the final few chs and it's so hard to focus on so many heroes. Well, I'll try my best to focus on as my heroes as possible.