The moment the command "Plan B" echoed through the comms, every S.H.I.E.L.D. soldier on the front line silently accepted their fate. Inside hastily built trenches and crumbling bunkers, one soldier stepped forward and handed Captain America a sealed white envelope. His eyes wavered for a moment, but he said nothing.
On the envelope, in neat handwriting, were the words:
"To my family — Leo Fitz."
One by one, more soldiers followed suit, handing the Captain their final letters. One man, his face resolute despite the chaos around him, met Steve's eyes. "Sir… please. Finish the mission. And make it home alive."
It was an exchange that needed no explanation — every soldier knew what Plan B meant. They were to stand their ground to the last man, to buy the Avengers enough time to break through Hydra's defenses. They also knew that, even if captured, the Helicarrier would not hesitate to bomb the fortress into rubble — with them still inside.
It was the price they had accepted the moment they joined S.H.I.E.L.D.
Captain America held the growing stack of letters in his hand, his jaw tightening. He had expected casualties — but not this. The thought of three hundred S.H.I.E.L.D. agents dying to secure a path for the Avengers filled him with dread.
Could he truly accept such a sacrifice?
"There's no other way?" he muttered under his breath, gazing out at the hellish battlefield ahead.
The fighting was relentless. Thor's thunder raged across the skies, but even the God of Thunder was tiring. The Hulk tore through tanks like paper, yet every inch of ground he gained was soaked in the blood of fallen men. Hydra's firepower was overwhelming.
No matter how hard they fought, their numbers and weapons simply couldn't match the enemy's.
Time was running out. The longer they hesitated, the more men would die — until there was no one left to carry out Plan B.
And then, a new voice broke through the comms — calm, confident, and almost detached.
"You just need to push forward one more time."
The voice belonged to someone none of the frontline soldiers had heard before — but Captain America recognized it instantly.
"Marcus! Where the hell are you?" Steve called, scanning the battlefield, but saw nothing. Marcus wasn't among them. It was as if he'd never been there at all.
A faint chuckle followed. "I'll appear wherever you need me, Captain. Just give the order."
Marcus hadn't run away. Far from it — if S.H.I.E.L.D. couldn't break through Hydra's defenses, he wouldn't be able to reach Loki's scepter either. Helping them was in his own best interest.
But even Marcus hadn't expected Hydra to put up such a fierce resistance. Fortunately, he still had one last advantage.
Mental possession — Winter Soldier.
The Winter Soldier was more than a killer. He was an artist of infiltration — a master of stealth honed by seventy years of silent assassinations, sabotage, and espionage. His power didn't lie in brute strength, but in the uncanny instinct for moving unseen, for striking before anyone knew he was there.
Now, all that experience — all those instincts — flowed through Marcus.
And Marcus's body was far superior. His strength, speed, and endurance dwarfed the Winter Soldier's by a wide margin. Combined with his unique metallic morphing ability, he could conceal himself in places no human could fit, move faster than the eye could track, and vanish without a trace.
When stealth met supernatural evolution, the result was terrifying.
Marcus had been on the battlefield all along — unseen, unheard, untouchable. Anyone who did catch a glimpse of him never lived long enough to tell the tale.
"Marcus," Captain America's voice came through the channel again, wary but hopeful, "unless a miracle happens, sending these men forward will just be suicide."
Marcus's tone was almost amused. "Then you'll be glad to know, Captain… that miracles aren't as hard as people think."
Steve hesitated. He'd only known Marcus a short time — but trust was something he believed in deeply. Finally, he gave the order.
"A-Team, move forward! C and D, cover them! B-Team — focus your fire on the bunker at two o'clock!"
He hadn't even finished speaking when a thunderous BOOM split the air. The very bunker he'd pointed to erupted in flames, a mushroom cloud billowing skyward. The heavy machine guns that had pinned down his troops fell silent instantly.
Through the smoke, for a fleeting second, someone saw a figure — dressed in a gray-and-black stealth suit — dart across the haze like a shadow, then vanish without a trace.
"Marcus… was that you?" Captain America's voice trembled with both awe and disbelief.
He had considered asking the Hulk to clear out the bunkers before, but even Banner's best efforts at restraint couldn't make the green giant precise. This… this was something else entirely.
Another explosion rocked the battlefield. BOOM! Another bunker gone — wiped out as if by invisible hands.
No one saw the attacker. No gunfire, no flash, no movement — just sudden, surgical destruction.
"Wh–what the hell is going on?!" shouted a Hydra trooper, his voice cracking as the ground shook beneath his boots.
Once was coincidence. Twice — that was terror.
They could face the Hulk. They could face Thor's lightning. Those deaths, at least, made sense. You could see it coming. You could try to run.
But this?
Two heavily fortified bunkers, destroyed from the inside — without warning, without reason, without a visible enemy.
It was like fighting a ghost.
Fear began to spread through the Hydra ranks. Their formation wavered. The bravest among them turned their rifles toward the smoke, fingers trembling on the trigger.
Somewhere in that chaos, a whisper echoed through the comms — calm, composed, and deadly.
"Now, Captain," Marcus said quietly. "Push forward."
And so, like a phantom stirring the tides of war, the silent assassin of S.H.I.E.L.D. — the Ghost of the Battlefield — began his hunt.
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T/N:
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