As Captain America #523 proclaimed in the film, Hydra represents the greatest threat he has encountered throughout his heroic career. Despite his formidable adversaries throughout the Marvel Cinematic Universe, Hydra holds a special place of disdain for Captain America due to their shared history and the countless lives lost during the Vietnam War. As a symbol of America's core principles and values, Captain America possesses an unwavering determination to defeat Hydra, as their fascist ideology and disregard for human rights pose a constant and serious threat to his safety and the safety of those around him.
Captain America recognizes that there are times for fighting and there are times for peace, but one group of MCU villains stands out so much that he refuses to accept their surrender, even when presented with the opportunity to do so.
As Captain America stares down the Hydra soldiers, he declares, "Good day, gentlemen. You have exactly three seconds to surrender before I unleash my wrath upon you."
Captain America's interaction with the Hydra cell in Amazing Spider-Man #523 showcases his enduring hatred for the group. Initially, he vehemently rejects Peter's theory that Hydra is gaining more power, expressing discomfort at the idea of confronting the "Hydra of old." Discovering their meticulous reorganization becomes his worst nightmare, as he is tormented by the sight of his impostor's shattered shield and the devastation caused by his own actions.
Outside of Thanos, Hydra proved to be the MCU version of Captain America's fiercest and most personal rival. In every medium, they have been his most formidable and personal adversary; as an organization, they embody the antithesis of everything the Star-Spangled Avenger stands for. They are constantly his most despicable adversaries, embodying everything the hero stands against. While the MCU Captain America is known for his many virtues and heroic deeds, he also delivers some of Marvel's most badass on-screen quotes and his "five seconds" quote from Amazing Spider-Man #523 is arguably the best in the franchise.Later in the issue, Spider-Man's valiant attempt to take down the Hydra missile gave Captain America a vivid flashback to a similar scene in his life. When Bucky Barnes seemingly perished in a daring attempt to accomplish the same feat, Captain America was struck by a potent reminder of the immense personal tragedy he had witnessed during World War II. Though Captain America had countless victories against Hydra during the war, his role in the conflict ultimately ended in a devastating personal failure due to the launch of the Hydra missile. Red Skull's return triggered painful flashbacks of Bucky's death, and Captain America could not resist the urge to continue the fight against Hydra despite the immense personal cost it had inflicted upon him.
"Captain America's valiant efforts to foster peace are commendable, yet the relentless Hydra operative, depicted by Amazing Spider-Man #523, persistently refuses to surrender in a peaceful manner. His witty delivery, 'it took me five seconds to say that,' coupled with his unwavering dismissal of any chance for the Hydra operative to surrender, showcases Cap's remarkable intelligence and wit as one of Marvel's most compelling and articulate characters."