When the Superhuman Registration Act became law, the Commission on Superhuman Activities contacted the Thunderbolts to help capture super-villains and persuade them to join the pro-registration side. Unknown to the CSA, the Thunderbolts had already started capturing super-villains three weeks prior in order to build an army against an upcoming threat from the Grandmaster.
Members:
Ajaxis
Aqueduct
Asylum
Batroc the Leaper
The Beetle III
The Beetle IV
The Beetle V
The Blacklash II
Bloodstrike
Boomerang
Bulldozer
Bullseye
Bushmaster
Coronary
Death Adder
Doctor Octopus
Eel
Griffin
Ironclad
Killer Shrike
King Cobra
Lady Deathstrike
Mad Jack
Machete
Mathemaniac
Snake Marston
Mongoose
Overmind
Ox
Piledriver
Porcupine
Pretty Persuasions
Primus
Quicksand
Rattler
Red Ronin
Scarecrow
Silk Fever
Slyde
Smiling Tiger
The Taskmaster
Tatterdemalion
Texas Twister
Thunderball
Unicorn
Vapor
Vector
Venom III
Vermin
Whiplash II
Whirlwind
The Wrecker
X-Ray
Zaran the Weapons Master
