[DEO Headquarters, Command Center — December 2016, 8:47 PM]
The normalcy lasted exactly four days.
Four days of quiet patrols, comfortable evenings, the pleasant routine of a relationship that had survived public exposure and supernatural interference. Four days of thinking maybe, just maybe, the universe would give us a break.
Then Winn's console started screaming.
"Multiple intercepts coming in," he announced, fingers flying across keyboards. "Cadmus frequencies. They've been dark for weeks, and now suddenly—" He stopped. His face went pale. "Oh no."
"What?" Kara moved to his station. "What are you seeing?"
"Project Medusa." Winn pulled the data onto the main display. "They're talking about deploying something called Medusa. Tonight. Maximum impact location."
My stomach dropped.
I knew that name. Knew it from episodes watched in another life, another world. Medusa—the Kryptonian bioweapon designed to exterminate non-Kryptonian species. In the show, it had nearly killed every alien on Earth.
Including me.
J'onn approached the display, his expression shifting from professional attention to something I'd never seen on his face before: fear.
"Medusa," he said quietly. "I'd hoped that project died with Krypton."
"What is it?" Alex asked. "Some kind of weapon?"
"A virus." Kara's voice was flat, controlled in the way that meant she was forcing down stronger emotions. "Designed on Krypton. By my father."
The room went silent.
"Your father?" Alex's tone carried careful neutrality.
"The Science Council commissioned it as a defense measure. If Krypton was ever invaded, Medusa would be deployed to eliminate the threat." Kara's hands clenched at her sides. "It was designed to kill all non-Kryptonian species while leaving Kryptonians unharmed."
"All non-Kryptonian species," I repeated. "Including Daxamites."
"Including everyone." Kara met my eyes. "Martians. Saturnians. Every alien species that's taken refuge on Earth. If Cadmus deploys Medusa in a populated area..."
"Mass extinction event," J'onn finished. "Every non-human in the blast radius dies."
The weight of it settled over the room. Not just a threat to individuals—a threat to entire species. A weapon designed by one of the most advanced civilizations in the galaxy, now in the hands of xenophobic terrorists.
"How did Cadmus even get it?" Alex demanded. "If it was a Kryptonian weapon—"
"Fort Rozz," Winn supplied, pulling up additional data. "Some of the prisoners had intelligence about Kryptonian weapons programs. And Lillian Luthor has resources we can't track." He paused. "There's more."
"More?"
"They've modified it." Winn zoomed in on the chemical analysis. "The original Medusa was airborne, but it degraded quickly. Cadmus added a stabilizing agent—something that makes it persist longer in the atmosphere." He highlighted a molecular structure. "Lead compounds. The dispersal mechanism uses lead-based aerosols."
The implication hit me like a physical blow.
"They're targeting Daxamites specifically," I said. "The virus kills aliens. The lead kills Daxamites even if we survive the initial exposure."
"Two-stage weapon," Alex confirmed grimly. "Maximum casualties across multiple species, with particular lethality for lead-vulnerable populations."
I stared at the molecular diagram on the screen. Lead woven into every aspect of the delivery mechanism. Even if my adaptation let me survive the virus itself, prolonged exposure to the dispersal agent would poison me.
Cadmus knew. They'd studied Daxamite physiology, probably from my own medical records before the DEO secured them. They'd designed a weapon that targeted me personally.
"When are they deploying?" J'onn asked.
"The intercepts suggest tonight. Maybe tomorrow at the latest." Winn's voice was strained. "They're talking about maximum impact. A location with high alien concentration."
"The bar," Kara said immediately. "M'gann's place. It's the largest alien gathering spot in National City."
The bar where I worked. Where I knew the regulars by name, by drink preference, by the stories they'd shared. The Thorian who always wanted extra sweetener. The Roltikkon couple on their Thursday dates. The old Saturnian who wrote poetry.
All of them, dead. If we didn't stop this.
"We need to evacuate," I said. "Warn everyone. Get aliens out of the city entirely."
"That would take days," Alex pointed out. "We don't have days."
"Then we need to stop Cadmus before they deploy." Kara's jaw set. "Find their base. Hit them before they can launch."
"We're working on it," Winn said. "But they've been careful. Their communications are encrypted, routed through a dozen proxy networks. I can narrow down the general area, but pinpointing—"
"Do it faster." J'onn's voice carried command authority. "All resources on this. Everything else is secondary."
The room erupted into organized chaos—agents moving to stations, communications being dispatched, tactical plans being drafted. Everyone had a role, a task, a purpose.
I stood in the middle of it, processing the reality of what was coming.
Medusa. The weapon I'd known about from the show, the crisis I'd been preparing for since I'd started the lead adaptation testing. It was here. It was real. And my preparation might not be enough.
---
Kara found me an hour later, standing alone in the observation corridor overlooking the command center. The activity below had reached a steady rhythm—crisis mode, but controlled.
"You're scared," she said.
No point in denying it. "I'd be stupid not to be."
"We'll stop this." She took my hand, squeezed it. "We've faced impossible threats before. We'll face this one."
"This is different." I turned to face her. "Mxyzptlk was annoying. The arms dealers were dangerous. But this—this is designed to kill me. Specifically. The virus targets non-Kryptonians. The delivery mechanism targets Daxamites. Cadmus built a weapon with my name on it."
"Then we make sure they never get to use it."
"And if we fail?"
The question hung between us. Kara's expression flickered—fear, determination, something deeper.
"We won't fail."
"Kara—"
"We won't." Her grip on my hand tightened. "I am not losing you. Not to Cadmus. Not to some virus my father helped create. Not to anyone."
The intensity in her voice was almost overwhelming. This woman who could move mountains, who had faced down threats that would have broken lesser beings, was standing here telling me she refused to accept my death as a possibility.
I wanted to believe her. Wanted to trust in her certainty the way she trusted in my hidden depths.
"Okay," I said finally. "Then we don't fail."
She leaned in, kissed me—brief but fierce.
"That's the spirit."
She left to coordinate with Alex. I stayed at the window, watching the controlled chaos below, thinking about lead exposure tests and adaptation curves and the terrible mathematics of survival.
My current resistance was good. Maybe sixty-five percent improvement over baseline. Enough to survive brief exposure, probably. Enough to handle the levels we'd tested.
But atmospheric saturation? Prolonged contact with lead-based aerosols? That was unknown territory. The adaptation might keep pace. Or it might fail, overwhelmed by concentration levels we'd never approached in controlled testing.
There was only one way to find out.
I slipped away from the observation corridor, heading for Winn's private lab. He was still at his main station, but he'd have equipment there. Equipment we could use without official oversight.
If Medusa deployed, I needed to know if I could survive it.
And there was only one way to test that.
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