MARVEL/DC: DOCTOR IN THE MULTIVERSE

Chapter 45 The Super Soldier's Physical Examination



"While the serum maintains your body near peak condition, it also increases long-term stress on specific joints," Lynn said calmly.

"Your right shoulder shows the most significant degeneration."

"Most likely from repeated shield impact and throwing mechanics."

Captain America instinctively rotated his shoulder once.

He had noticed the stiffness recently.

But he had attributed it to accumulated training fatigue.

"If you have time, come to my clinic," Lynn continued.

"Without treatment, the degeneration will accelerate."

Steve looked at him carefully.

"You're the doctor Fury mentioned? Miracle Clinic?"

"Yes."

Captain America nodded once.

"I'll come."

Three days later—

A tall blond man wearing a plaid shirt and khaki pants entered Miracle Clinic.

He ducked slightly while entering through the doorway.

Not because the frame was low—

Because the motion had become habit.

"Dr. Lynn."

Steve smiled politely.

Without the posture and proportions, he could have passed for an ordinary Brooklyn veteran.

Clean-cut.

Direct.

Approachable.

But his physical presence made normality impossible.

"Come in, Captain Rogers," Lynn said.

"The VIP room is in the back."

Steve followed him toward the upgraded examination room on the first floor.

As he entered, his eyes moved across the equipment immediately.

Quantum imaging scanner.

Biochemical synthesis platform.

Electromagnetic shielding integrated into the walls.

"Tony sponsored this?" Steve asked.

"He paid in equipment instead of cash."

A faint smile crossed Steve's face.

He sat down on the examination table.

Hands resting on his knees.

Posture perfectly cooperative.

"Do I need to take my clothes off?"

"Just the shirt."

Steve removed the plaid overshirt first.

Underneath—

A fitted white tank top stretched across an impossibly balanced physique.

Not exaggerated like a bodybuilder.

No unnecessary hypertrophy.

Every muscle existed for function.

Perfect proportion.

Perfect efficiency.

Analysis of All Things activated completely.

Information flooded through Lynn's cognition instantly.

The operating structure of the Super-Soldier Serum unfolded layer by layer.

It did not simply strengthen the human body.

It redefined biological operational limits at the cellular level.

Protein synthesis rate:

Approximately 4.7 times normal human baseline.

Mitochondrial energy efficiency:

3.2 times baseline.

Neural transmission speed:

2.8 times baseline.

Bone density:

2.1 times baseline.

Muscle-fiber resilience:

3.5 times baseline.

Every parameter approached the upper edge of theoretical human optimization.

But there was a cost.

The serum maintained the body in a constant high-output state.

Like an engine permanently operating near maximum performance thresholds.

And over time—

Certain components degraded faster.

The right shoulder displayed the clearest signs.

Cartilage thickness reduced by roughly seventeen percent.

Synovial fluid viscosity slightly degraded.

Lubrication efficiency lowered.

"The serum keeps your body operating at peak condition," Lynn said while reviewing the scan.

"But peak condition doesn't eliminate wear."

"The cartilage in your right shoulder has already thinned significantly."

"At the current progression rate, you'll develop major mobility restriction within roughly five years."

"Five years."

Steve thought about it for a moment.

"Given the life I've lived, that's not exactly short."

"But treatment changes the timeline."

Using Analysis of All Things, Lynn had already completed the molecular design for the repair process.

A nanoscale cartilage-regeneration factor.

Under normal research conditions, development would require months of laboratory iteration.

But combined with Stark-level engineering cognition and real-time molecular analysis—

Lynn synthesized the treatment in forty minutes.

The finished compound resembled a transparent gel suspension.

Delivery method:

Direct intra-articular injection.

Function:

Accumulate along damaged cartilage regions and stimulate controlled regenerative proliferation mimicking healthy chondrocyte repair pathways.

Most importantly—

It did not interfere with the Super-Soldier Serum itself.

"There'll be mild tingling during the injection," Lynn said while preparing the syringe.

Steve glanced at the needle.

"Less painful than getting shot?"

"Considerably."

The needle entered the shoulder joint cleanly.

The repair factor dispersed into the joint cavity.

Steve's shoulder twitched slightly.

Then he rotated the arm slowly.

Once.

Twice.

Then he stopped.

A subtle expression crossed his face.

"What is it?" Lynn asked.

"This feels…"

Steve flexed the shoulder again.

"Like right after the serum treatment."

"No pain. No resistance."

"For the last couple years, I thought that feeling disappeared because I got used to being stronger."

A brief pause.

"Turns out I just got used to the damage."

"You adapt to deterioration," Lynn replied.

"So eventually it feels normal."

Steve looked at him.

"How old are you?"

"Twenty-two."

"Twenty-two and you can do this."

"Ability isn't determined by age," Lynn said evenly.

"You were doing things most people couldn't do in their twenties too."

Steve paused briefly.

Then nodded once.

He finished buttoning the shirt and stood.

His right arm moved instinctively into a shield-throwing motion.

Large rotational backswing.

Forward release alignment.

No restriction.

"Feels perfect," he said.

"The repair process will continue for two to three weeks," Lynn explained.

"Training and missions are fine."

"But if possible, reduce repeated shield impact stress by roughly ten percent."

"I'll try."

Steve walked toward the exit.

Then stopped near the doorway.

"How much do I owe you?"

"Recommend the clinic."

Steve blinked once.

"I'm not exactly good at advertising."

"You don't need to advertise."

"Just tell people there's a good doctor here."

Steve considered it for a moment.

Then nodded.

"There's someone you should probably meet eventually."

"A physicist."

"Bruce Banner."

Lynn adjusted his glasses slightly.

"Tony Stark already mentioned him."

"That makes things easier."

Steve opened the door.

"I'll speak with Banner."

Then he left.

After the clinic door closed—

The system interface appeared automatically.

[Ding! Treatment complete! Rating: S-Class Extraordinary!]

[Divine Hand Copying initiated…]

[Scanning target ability profile…]

[Core Talent Detected: Super Soldier Physiology (A Rank)]

[Highest compatible ability selected automatically based on treatment contribution…]

[Copy Progress: 12% → 37% → 59% → 83% → 100%]

[Ding! Copy complete!]

[Acquired: Super Soldier Physiology (Incomplete — 70%)]

[Ability Effect: Strength, speed, stamina, and neural response significantly enhanced. Provides additive amplification to all existing physical enhancement abilities.]

The change struck immediately.

Heat spread through Lynn's body.

Not violent—

Controlled.

Muscle density increased subtly.

Cardiovascular rhythm accelerated.

Neurological responsiveness sharpened.

And more importantly—

Every pre-existing physical ability synchronized more efficiently.

Luke Cage's durability.

Jessica Jones's strength.

The Punisher's healing factor.

All of them integrated more smoothly beneath the stabilizing framework of the Super-Soldier physiology.

Not simple addition.

Optimization.

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