Mass Master

Jack Power

Prime Marvel Universe
(Earth-616)

Comic Variants

Spider-Gwen
(Earth-65)

Age of Apocalypse
(Earth-295)

MC2
(Earth-982)

Earth-Z
(Zombiverse)
(Earth-2149)

Marvel Age Power Pack
(Earth-5631)

New Ultimate Universe
(Earth-6160)

Duke of Density
(Hammy Bower)

Humorverse
(Earth-9047)

Earth X
(Earth-9997)

Power Pack MAX
(Earth-16161)

Renew Your Vows
(Earth-18119)

Jack Power

Ultimate Thor is President
(Earth-20604)

The Pack
(Earth-22455)

Galactus Goes Mad
(Earth-42743)

Power Pack are the only heroes remained to fight Kang
(Earth-68326)

A-Babies vs. X-Babies
(Earth-71912)

Deadpool Kills the Marvel Universe Again
(Earth-71986)

Hembeck-verse
(Earth-77640)

Magneto joined Hellfire Club
(Earth-87050)

Avengers lost Evolutionary War
(Earth-89721)

Ultravision's Utopia
(Earth-90110)

Mini-Marvels
(Earth-99062)

Mass Master is Earth's greatest hero
(Earth-TRN420)

Fist released virus onto Times Square
(Earth-TRN590)

Popeye She-Hulk
(Earth-TRN615)

Wolverine teamed-up with Power Pack
(Earth-TRN1536)

Venomizer
(Earth-TRN1576)

Live-Action Variants

Power Pack TV pilot
(Earth-635972)

Animated Variants

Super Hero Squad cartoon and games
(Earth-91119)

Marvel Super Heroes: What The--?!
(Earth-93342)

Others

Jack Power
(Warp World)

Warp World
(Earth-616 Pocket Dimension)

Paibok

Marvel Age Power Pack
(Earth-5631)

Poppupian

Infinity Gauntlet & Impossible Man
(Earth-95397)

Skrull subversive

Fist released virus onto Times Square
(Earth-TRN590)