Tim Blake Nelson's return as Samuel Sterns/The Leader in Captain America: Brave New World is a significant development for the MCU. While initially introduced in 2008's The Incredible Hulk, his transformation into The Leader was left unresolved. This sequel unexpectedly positions him as a Captain America antagonist, a strategic choice by Marvel.
The Leader, Hulk's primary nemesis, possesses intellect rivaling the Hulk's strength. His enhanced intelligence, a result of gamma radiation exposure, makes him a formidable threat across the Marvel Universe. In The Incredible Hulk, Sterns, initially an ally to Bruce Banner, secretly aimed to harness Banner's blood for scientific advancement. The film concluded with Sterns' transformation beginning after exposure to Banner's irradiated blood.
Marvel's avoidance of another solo Hulk film, due to Universal's rights, explains the delayed return of The Leader. His absence from the MCU until now is attributed to this rights issue. The Leader's appearance in Captain America 4 is surprising, given his connection to the Hulk, not Captain America. However, this unexpected pairing is precisely what makes him so dangerous. The Leader represents an unforeseen challenge for Sam Wilson, a threat unlike any he's encountered before.
Director Julius Onah highlights the Leader's unexpected emergence as a consequence of past actions within the MCU, creating a thrilling narrative arc. This conflict will serve as a significant test of Sam Wilson's leadership, forcing him to confront a threat that fundamentally differs from those faced by Steve Rogers. The post-blip, post-Thanos MCU demands a new type of hero and leadership, leading to exciting storytelling possibilities.
Sam Wilson's experience against powerful MCU villains doesn't prepare him for The Leader's intellectual prowess. The film's setup suggests a darker era for the MCU, potentially culminating not in the next Avengers movie, but in the Thunderbolts film. The Leader's actions may significantly impact the Captain America legacy.
The Leader's role in Captain America: Brave New World remains a subject of speculation, prompting anticipation for the film's release.