As excitement builds for Thunderbolts, scheduled for release on May 2, 2025, fans might consider revisiting several Marvel Cinematic Universe (MCU) movies and television series. This upcoming installment marks a significant crossover within Phase 5 of the MCU, uniting a diverse ensemble of superpowered characters amid the Avengers’ absence. The Thunderbolts team, steeped in a rich Marvel Comics legacy, will differ significantly from their comic book origins, adding to the anticipation for their debut.
Since Thunderbolts serves as the first major crossover within the MCU since 2019’s Avengers: Endgame, understanding the progression of characters and narratives from previous films will enhance the viewing experience. Directed by Jake Schreier, this project honors some of the most intense stories from the franchise’s history, starting back in Phase 1. Therefore, engaging with past content will enrich one’s comprehension of Thunderbolts when it hits theaters.
1.
Captain America: The First Avenger (2011)
Bucky Barnes’ MCU Introduction in Captain America: The First Avenger

Sebastian Stan reprises his role as James Buchanan “Bucky”Barnes in Thunderbolts, making it vital to reflect on his journey since first appearing in Captain America: The First Avenger. This 2011 film introduced Bucky as Steve Rogers’ best friend and part of the Howling Commandos during World War II, establishing him as one of the oldest characters in the MCU.

Bucky’s transformation into the Winter Soldier stems from traumatic events in this film. Captured by HYDRA scientist Arnim Zola, he became a super-soldier through experimental procedures, setting the stage for his complex evolution as both hero and villain.
Film/Show |
Year |
Role |
---|---|---|
Captain America: The First Avenger |
2011 |
Supporting Role |
Captain America: The Winter Soldier |
2014 |
Supporting Role |
Ant-Man |
2015 |
Cameo |
Captain America: Civil War |
2016 |
Main Role |
Black Panther |
2018 |
Cameo |
Avengers: Infinity War |
2018 |
Supporting Role |
Avengers: Endgame |
2019 |
Supporting Role |
The Falcon and the Winter Soldier |
2021 |
Co-Star |
Captain America: Brave New World |
2025 |
Cameo |
Thunderbolts* |
2025 |
Main Role |
Avengers: Doomsday |
2026 |
TBD |
2.
Captain America: The Winter Soldier (2014)
Reintroduction of Bucky Barnes as the Winter Soldier

Following his debut, 2014’s Captain America: The Winter Soldier reintroduced Bucky as the brainwashed Winter Soldier, enhancing his character’s complexity. A product of HYDRA’s conditioning, he emerged as a feared assassin, yet the film also showcased hints of his former self, particularly in his interactions with Steve Rogers.
This film marked a turning point for Bucky, culminating with him saving Steve Rogers, and signified his journey of self-discovery—a trajectory that aligns with his eventual role in Thunderbolts.
3.
Captain America: Civil War (2016)
The Winter Soldier’s Redemption Arc in Civil War

In the wake of Ant-Man, audiences were primed for Bucky’s significant return in Captain America: Civil War. This film positioned him as a crucial player manipulated by Baron Zemo, adding layers of intrigue to his redemption arc. Bucky’s role in revealing the darker aspects of Avenger alliances also underscores the significant rift that forms among superheroes, creating the vacuum that the Thunderbolts are poised to fill.
4.
Spider-Man: Homecoming (2017)
Avengers Tower Sells to Valentina in Spider-Man: Homecoming

Though it might not seem essential at first glance, 2017’s Spider-Man: Homecoming is pivotal due to its subplot involving Avengers Tower. After Tony Stark sold the tower, the new ownership by Valentina was confirmed in the trailers for Thunderbolts, offering insight into her character’s ambitions within the MCU. This backstory establishes a foundational element for understanding Valentina’s influence in the upcoming film.
5.
Black Panther (2018)
Bucky’s Recovery in Wakanda

Bucky’s brief cameo in the post-credits scene of Black Panther showcases his recovery in Wakanda following his tumultuous past. This moment indicates a turning point for his character, as he begins to shed the Winter Soldier identity, making his growth significant for Thunderbolts.
6.
Ant-Man & The Wasp (2018)
Ghost’s MCU Introduction

Ava Starr, a.k.a. Ghost, made her debut in Ant-Man and the Wasp, and her inclusion in the Thunderbolts cast creates intriguing dynamics. As a character who grapples with her past, her transition from villainy to potential heroism is an exciting arc to watch in Phase 5 of the MCU.
7.
Avengers: Endgame (2019)
Impact of Natasha Romanoff’s Death

The emotional weight of Avengers: Endgame can’t be overlooked as it profoundly impacts several characters’ trajectories in Thunderbolts. Natasha Romanoff’s death not only shapes Yelena Belova’s motivations but also echoes through the narrative, establishing stakes that characters must confront.
8.
The Falcon & The Winter Soldier (2021)
Introduction of Key Players

This limited series set the groundwork for Thunderbolts, revealing essential characters—Valentina and John Walker—and exploring their intentions. If viewers hope to grasp how this narrative influences the upcoming film, revisiting this series would be beneficial.
9.
Black Widow (2021)
Yelena Belova’s Introduction

As Natasha Romanoff’s sister figure, Yelena Belova emerges as a key character in Thunderbolts. The familial bonds and emotional connections established in Black Widow weave into the film’s narrative, highlighting the significance of legacy.
10.
Hawkeye (2021)
Truth Behind Natasha’s Death Revealed

This series delves into Yelena’s journey after learning the truth about her sister’s death, a key theme likely to resonate in Thunderbolts. Her emotional turmoil and evolving alliances could play a significant role in the film’s plot.
11.
Black Panther: Wakanda Forever (2022)
Valentina’s Updated Role

In Black Panther: Wakanda Forever, Valentina’s character assumes even more critical dimensions as Director of the CIA, a development paralleling her influence in Thunderbolts. This insight hints at her potential governing role over the new superhero team.
12.
Captain America: Brave New World (2025)
Bucky’s Political Aspirations

Set to release prior to Thunderbolts, Captain America: Brave New World reveals Bucky’s intriguing path into politics, raising questions about his character’s evolution. This development may play a role in his ties to the Thunderbolts narrative.
By engaging with these essential films and series, audiences will gain deeper insight into the characters and plotlines that culminate in the much-anticipated Thunderbolts. So, prepare for a thrilling cinematic experience filled with nostalgia, excitement, and emotionally charged story arcs.