Secret Invasion is an American television miniseries created by Kyle Bradstreet for the streaming service Disney+, based on the 2008 Marvel Comics storyline of the same name. It is the ninth television series in the Marvel Cinematic Universe (MCU) produced by Marvel Studios, sharing continuity with the films of the franchise. It follows Nick Fury and Talos as they uncover a conspiracy by a group of shapeshifting Skrulls to conquer Earth. Bradstreet serves as the head writer, with Ali Selim directing.

Samuel L. Jackson and Ben Mendelsohn reprise their respective roles as Fury and Talos from previous MCU media, with Kingsley Ben-Adir, Killian Scott, Samuel Adewunmi, Dermot Mulroney, Richard Dormer, Emilia Clarke, Olivia Colman, Don Cheadle, Charlayne Woodard, Christopher McDonald, and Katie Finneran also starring. Development on the series began by September 2020, with Bradstreet and Jackson attached. The title and premise of the series, along with Mendelsohn's return, were revealed that December. Additional casting occurred throughout March and April 2021, followed by the hiring of Selim and Thomas Bezucha that May to direct the series. Filming began in London by September 2021 and wrapped in late April 2022, with additional filming around England. During production, much of the series' creative team was replaced, with Brian Tucker taking over as writer from Bradstreet and Bezucha exiting, and extensive reshoots took place from mid-June to late September 2022.

Secret Invasion premiered on June 21, 2023, and ran for six episodes until July 26. It is the first series in Phase Five of the MCU. The series received mixed reviews from critics, who praised Jackson's and Mendelsohn's performances but criticized the writing (particularly that of the finale), pacing, and visual effects.