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Marvel Comics

Sven Kleinstock

Sven Kleinstock93 series163 issues

Sven Kleinstock is a Swiss mutant in Magneto's Acolytes. He can merge with his identical brother Harlan into a larger, stronger body and fire plasma blasts.

Real Name
Sven Kleinstock
Hero Name
Sven Kleinstock
Publisher
First Appearance
The Uncanny X-Men #298 (1993)
Title
Powers
Super Strength, Invulnerability, Unarmed Combat, Size Manipulation
Gender
Male

Latest Series Appearances

X-Men '97: Season Two

X-Men '97: Season Two (2026)

Limited Series

Marvel Comics

5 issues

What If?: Into The Multiverse Omnibus

What If?: Into The Multiverse Omnibus (2023)

Collected Edition

Marvel Comics

3 issues

Phoenix: The Death and Rebirth of Jean Grey Omnibus

Phoenix: The Death and Rebirth of Jean Grey Omnibus (2025)

Collected Edition

Marvel Comics

1 issue

X-Men Onslaught Aftermath Omnibus

X-Men Onslaught Aftermath Omnibus (2025)

Collected Edition

Marvel Comics

1 issue

X-Men: Fatal Attractions Omnibus

X-Men: Fatal Attractions Omnibus (2025)

Collected Edition

Marvel Comics

1 issue

X-Factor By Peter David Omnibus

X-Factor By Peter David Omnibus (2021)

Collected Edition

Marvel Comics

4 issues

X-Men/Avengers: Onslaught

X-Men/Avengers: Onslaught (2020)

Collected Edition

Marvel Comics

3 issues

X-Men: Betrayals

X-Men: Betrayals (2020)

Marvel Comics

1 issue

Wolverine Epic Collection: Inner Fury

Wolverine Epic Collection: Inner Fury (2020)

Collected Edition

Marvel Comics

1 issue

Marvel Tales: Wolverine

Marvel Tales: Wolverine (2020)

One-Shot

Marvel Comics

Latest Issue Appearances

Issue #4
#4

Issue #4

X-Men '97: Season Two (2026)

Sep 02, 2026

Volume 3
#3

Volume 3

What If?: Into The Multiverse Omnibus (2023)

Apr 07, 2026

Issue #1
#1

Issue #1

Phoenix: The Death and Rebirth of Jean Grey Omnibus (2025)

Sep 17, 2025

Volume 1
#1

Volume 1

X-Men Onslaught Aftermath Omnibus (2025)

Jul 08, 2025

Issue #1
#1

Issue #1

X-Men: Fatal Attractions Omnibus (2025)

Mar 19, 2025

Volume 1
#1

Volume 1

X-Factor By Peter David Omnibus (2021)

Aug 11, 2021

Volume 3
#3

Volume 3

X-Men/Avengers: Onslaught (2020)

Apr 14, 2021

Issue #1
#1

Issue #1

X-Men: Betrayals (2020)

May 13, 2020

Volume 6
#1

Volume 6

Wolverine Epic Collection: Inner Fury (2020)

Mar 11, 2020

Issue #1
#1

Issue #1

Marvel Tales: Wolverine (2020)

Feb 12, 2020

Teams

Acolytes

Acolytes

X-Gene Mutant

X-Gene Mutant

Teammates

Wolverine

Wolverine

James Howlett

Cyclops

Cyclops

Scott Summers

Storm

Storm

Ororo Munroe

Beast

Beast

Henry Philip McCoy

Jean Grey

Jean Grey

Jean Grey

Iceman

Iceman

Robert Louis Drake

Professor X

Professor X

Charles Francis Xavier

Colossus

Colossus

Piotr Nikolaievitch Rasputin

Angel

Angel

Warren Kenneth Worthington III

Cable

Cable

Nathan Christopher Charles Summers

Appears alongside

Harlan Kleinstock

Harlan Kleinstock

Harlan Kleinstock

Javitz

Javitz

Isaac Javitz

Eric Kleinstock

Eric Kleinstock

Eric Kleinstock

Scanner

Scanner

Sarah Ryall

Milan

Milan

Francisco Milan

Amelia Voght

Amelia Voght

Amelia C. Voght

Katu

Katu

Katu Kath

Spoor

Spoor

Andrew Hamish Graves

Unuscione

Unuscione

Carmella Unuscione

Senyaka

Senyaka

Suvik Senyaka

Story Arcs

Fatal Attractions

Fatal Attractions

Crossover Event

The Magneto War

The Magneto War

Crossover Event

The Siege of Wundagore

The Siege of Wundagore

Crossover Event

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