Tim Blake Nelson's return as Samuel Sterns/The Leader in Captain America: Brave New World is a significant event, especially considering his last appearance in 2008's The Incredible Hulk. While initially surprising to see The Leader as a Captain America antagonist, this unconventional choice is precisely what makes him so compelling. His unparalleled intellect, a stark contrast to the Hulk's brute strength, positions him as a formidable threat unlike any Sam Wilson has encountered.
The Leader's origin story, briefly touched upon in The Incredible Hulk, establishes him as a brilliant scientist whose intelligence is dramatically amplified by gamma radiation. Initially an ally to Bruce Banner, Sterns' ambition to harness the power of gamma radiation for humanity's advancement ultimately leads to his transformation. The film ends with a cliffhanger, showing the beginnings of his physical mutation.
The absence of a solo Hulk sequel, due to Universal Pictures' partial film rights, explains the delay in The Leader's return. Instead, his story arc weaves into the larger MCU narrative, potentially through his connection to General Ross, now portrayed by Harrison Ford. The Leader's resentment towards Ross, who manipulated him in the past, could fuel his desire for revenge, targeting not only Ross but also Captain America as a symbol of American power.
Director Julius Onah emphasizes The Leader's unexpected nature as a key element of his threat. This new Captain America faces a post-blip, post-Thanos world, requiring different leadership skills and decision-making than Steve Rogers. The Leader's intellectual prowess presents a unique challenge, testing Sam Wilson's abilities as a leader and potentially setting the stage for a darker era in the MCU. The film's climax might not lead directly to the next Avengers movie but could instead pave the way for the Thunderbolts, suggesting a significant impact from The Leader's actions.
The inclusion of a poll regarding a potential Red Hulk vs. Hulk confrontation further hints at the complex dynamics and unexpected twists within Captain America: Brave New World. The Leader's role remains shrouded in mystery, making his appearance all the more intriguing.