"The Defenders" is not a movie but a miniseries produced by Marvel Television and released on Netflix. It premiered in 2017 and features characters from previous Marvel Netflix series, including Daredevil, Jessica Jones, Luke Cage, and Iron Fist. The plot revolves around these heroes coming together to fight a common enemy, the Hand, a secret organization threatening New York City. Although it is part of the Marvel Cinematic Universe (MCU), it is distinct from the theatrical Marvel films.

In "The Defenders," the main antagonist is Alexandra Reid, portrayed by Sigourney Weaver. She is the leader of the Hand, a mysterious and ancient organization that seeks to achieve immortality through sinister means. Alexandra is a formidable adversary, manipulating events and characters to further her goals, which include harnessing the power of the Iron Fist to aid the Hand's plans. The Defenders, consisting of Daredevil, Jessica Jones, Luke Cage, and Iron Fist, unite to stop her and the Hand's destructive ambitions.

In "The Defenders," the characters from Marvel's Netflix series—Daredevil, Jessica Jones, Luke Cage, and Iron Fist—come together as a team to fight a common threat. Daredevil, played by Charlie Cox, is central to the storyline as he brings his legal expertise and combat skills to the group. His connections to Hell's Kitchen and previous conflicts with the Hand, a criminal organization, are crucial in uniting the team. The series builds on the character development and story arcs established in "Daredevil," enhancing the overall narrative of the Marvel Cinematic Universe.

In "The Defenders," Elektra Natchios is resurrected and manipulated by the Hand to serve as their weapon. She initially appears as a formidable antagonist, leading the Hand's efforts against the Defenders. However, as the series progresses, Elektra's memories and humanity start to resurface, particularly through her connection with Matt Murdock (Daredevil). In the climactic battle, she ultimately confronts her true self, and during a pivotal moment, she sacrifices herself to save Matt, leading to her tragic end.