Sinister Saga

Once upon a time, in the deep places beneath the streets of New York City, a man named Nathaniel Essex was doing something very wrong.

He called himself Mister Sinister. He had pale skin and small, precise hands and red diamond shapes on his forehead, and he had spent decades thinking about one thing: how to control mutants. Not help them. Control them.

For years he had collected genetic data on mutants — quietly, patiently. He had files on every X-Man. And now, in his underground laboratory, he had built the Genetic Sequencer: a machine that could permanently rewrite the DNA of any mutant. Change what they were, deep down, at the level of the smallest building blocks of life. He planned to create an army of mutants whose choices were taken away, their abilities bent entirely to his will.

Hank McCoy read the intelligence report three times. A quiet fury settled in him — the kind that comes from knowing exactly how wrong something is.

He spread the stolen engineering schematics across the laboratory bench and rebuilt Sinister's underground map from scratch. Three days. When he was finished, it was perfect.

He briefed the team in the Quinjet: Scott Summers, Jean Grey, Ororo Munroe — Storm — and Remy LeBeau — Gambit. Five X-Men. One clear goal.

They dropped into the tunnels beneath Manhattan and followed Hank's map through the dark.

Sinister's laboratory was guarded by the Marauders — dangerous fighters who worked for hire. In a narrow stone corridor, Hank found Sabretooth waiting. Claws out. Very angry.

Hank took a breath. He assessed the space — the width of the corridor, the height, the texture of the walls. He filed it away.

Then he moved.

He went left — WHOMP — off the wall. He went up — CRACK — off the ceiling. He slipped between Sabretooth's reaching arms, always somewhere unexpected, never still. Quiet into his radio the entire time: "Gambit, second junction, northeast is clear. Storm, the upper level has a gap on the left —"

Because Hank was never only fighting. He was always doing five things at once.

When Sabretooth stumbled — frustrated, off-balance — Hank caught his wrist and redirected him neatly into the wall. Sabretooth sat down and stayed there, looking confused.

Across the laboratory, Jean Grey had reached the Genetic Sequencer.

She could feel the machine's hum against her own senses — cold and purposeful. She raised her hands.

And then Mister Sinister stepped from the shadows.

He raised one pale hand and sent a focused psychic counter-blast directly at Jean. She staggered back, her hands dropping.

Hank was already running.

Three enormous bounds. He came in low, shoulder first, and hit Sinister with everything he had. Sinister struck the far wall with a sound like a cabinet falling and slid down it with an expression of great surprise.

Six seconds.

Jean's hands came up. The Sequencer's power core rose from the machine's housing and tore free with a sound like thunder.

The lights went dark. The hum stopped.

Mister Sinister found his escape hatch and was gone. He always had escape hatches.

The X-Men stood in the silence of the ruined laboratory.

"Is everyone all right?" Scott said.

Everyone was.

They climbed back through the tunnels and out into the New York night, and the cold air of the city settled around them, ordinary and vast and full of people living their ordinary lives.

Back at the Xavier Institute, Hank worked for two full days, analyzing everything in Sinister's files — making certain no fragment of the stolen genetic data could ever be used. When the last file was permanently erased, he sat back in his chair.

He picked up his journal and wrote one line:

"The cost of this work is vigilance, always."

He closed the journal. He looked at his hands — large, blue-furred, capable of stopping something that could have changed the world for the worse.

He felt, quietly, glad.

Mister Sinister would build another laboratory, somewhere in the deep places. He always did.

The X-Men would find it. They always did.

That was the agreement — never spoken aloud, made the day each of them first put on their uniform.

Hank turned off the lab light, made a strong cup of tea, and went to bed.

Tomorrow there would be more work to do.

There always was.