Men in Black 5 reunites Will Smith’s iconic Agent J with Chris Hemsworth’s Agent H, bringing back the signature blend of humor, action, and extraterrestrial drama that the Men in Black franchise is known for. Picking up years after the events of MIB: International, the story explores a new era where the MIB agency has expanded its reach, establishing alliances with alien civilizations on distant planets.

The teaser opens with Agent J (Will Smith), now retired from active duty and struggling to adapt to a rapidly changing world. Living a quiet life, J is thrust back into the fold when a mysterious message arrives through the MIB network, warning of a looming alien invasion that threatens Earth’s very existence. Meanwhile, Agent H (Chris Hemsworth), who’s been handling high-profile cases in London, is dispatched to bring J back for one final mission.

The new villain, Nephra, is revealed as a powerful and ancient alien entity with the ability to manipulate time itself. Nephra’s plan is to unravel key moments in human history, creating alternate timelines where humanity never manages to fend off alien threats, thus allowing her species to invade Earth unhindered. Her first strike? Reversing the creation of the Men in Black agency, erasing its existence from history altogether.

Agents J and H must prevent Nephra’s plan, but this time, their mission involves more than just advanced tech and alien gadgets. They are plunged into a race through time, revisiting pivotal moments from earlier MIB films, including a trip back to the 1960s where they encounter a young version of Agent K (a de-aged Tommy Lee Jones). Along the way, familiar faces like Frank the Pug and the Worms make their return, adding a nostalgic touch of humor.

The teaser showcases a surreal, time-warping showdown as Nephra bends reality, forcing the agents into battles that span across eras. From dodging prehistoric creatures to battling through futuristic metropolises and confronting alternate versions of themselves, the action promises to be bigger than ever.

As J and H fight to restore the timeline, the teaser hints at a climactic victory—but a post-credits scene suggests that the MIB’s work is far from over, teasing even greater dangers lurking in the multiverse. Men in Black 5 aims to deliver a thrilling mix of sci-fi action, humor, and nostalgic moments, with Will Smith and Chris Hemsworth leading the charge against a threat that spans both space and time.