In Captain America: Brave New World, Sam Wilson (Anthony Mackie) steps into the role of Captain America amidst political turmoil. Following the election of President Thaddeus Ross (Harrison Ford), Sam is tasked with a critical mission involving a powerful resource, adamantium, extracted from a Celestial. However, chaos ensues when an assassination attempt occurs during a public event, implicating Isaiah Bradley (Carl Lumbly), a former super-soldier. As Sam races to uncover the truth behind the conspiracy, he grapples with self-doubt about his worthiness as Captain America while striving to protect his friends and restore justice.