This specific iteration of the Thunderbolts consists of "volatile killers" rather than reformed villains: The founder and leader.
This is Volume 3 (often cataloged as Vol. 2 for the 2012 relaunch). Thunderbolts 029-032 Annual (2014) (Digital).zip
These final issues depict the total dissolution of the team as Frank Castle (The Punisher) goes to war with his former teammates. This specific iteration of the Thunderbolts consists of
The archive contains the "The Punisher vs. the Thunderbolts" arc, which serves as the series finale. Thunderbolts 029-032 Annual (2014) (Digital).zip
Constant source of comedic friction. Elektra (Elektra Natchios): The team’s primary assassin.
Utilizing the symbiote for black-ops missions.