Black Widow (2021)

This film introduces Yelena Belova, Red Guardian, and Taskmaster—central figures in Thunderbolts. It delves into Yelena's upbringing in the Red Room, her bond with Natasha Romanoff, and the legacy of espionage that shapes her character. Red Guardian adds depth with his complex past, while Taskmaster's journey toward autonomy begins here.

The Falcon and the Winter Soldier (2021)

This series is pivotal for understanding Bucky Barnes' path to redemption and John Walker's transformation into U.S. Agent. It also introduces Valentina Allegra de Fontaine, a mysterious figure assembling her own team, hinting at the formation of the Thunderbolts.

Ant-Man and the Wasp (2018)

Ava Starr, also known as Ghost, is introduced in this installment. Her unstable quantum powers and tragic backstory add emotional complexity to her character, making her role in Thunderbolts more impactful. 

Hawkeye (2021)

This series revisits Yelena Belova's narrative post-Black Widow, exploring her grief over Natasha's death and further developing her character arc. 

By watching these titles, viewers can gain a comprehensive understanding of the characters' backgrounds and motivations, enriching the Thunderbolts viewing experience.