Peter Parker Tom Holland writes a letter to MJ Zendaya, hoping one day to hand it to her and explain the tangled past they share. After Doctor Strange casts a spell to make the world forget Peter’s existence, he steps into the full responsibilities of Spider-Man, taking on a rogues’ gallery that includes Mac Gargan/Scorpion Michael Mando and Tombstone Marvin Jones III, alongside other threats like Boomerang, Tarantula, and The Hand, all while working with Detective DeWolff Liza Colón-Zayas. Over four years, he watches MJ and Ned Jacob Batalon head to MIT from afar, trying to balance hero duties with the ordinary pressures of growing up.
In a high-stakes chase through Manhattan, Spider-Man pursues a runaway tank that also draws Frank Castle, The Punisher Jon Bernthal. The tank crashes through a Department of Damage Control facility, and when Peter opens the hatch, an old woman’s body is swapped for a telepath who jumps hosts, guiding a guard and warning that a bomb lies inside the tank. Though he evacuates the building in time, the Mind Jumper slips away, leaving behind a dangerous clue about a larger mastermind looming behind the chaos.
DeWolff informs Parker that Scorpion has been released from Bellevue, and to get a lead he heads to a Russian bathhouse where he encounters Yelena Belova and learns that Damage Control has been hit four times recently, all tied to something called “V-Max.” The trail leads Peter to the DODC, where he meets the building’s head, Bill Metzger Tramell Tillman. Metzger reveals that The Hand’s ninjas are involved, but he doesn’t know who’s pulling the strings or what V-Max really is—only that the vault at the heart of the DODC seems central to whatever they’re chasing.
A tense moment at a shop finds Peter on the phone with DeWolff while Ned’s MIT party unfolds downstairs. Peter spots Ned’s wall of Spider-Man theories and, feeling the sting of MJ’s apparent distance, finds himself handing MJ flowers he intended for Aunt May’s grave. A sudden sickening pressure in Peter’s body accompanies a painful shift—an abrupt reminder that his body is changing as his arachnid genes awaken—before he collapses.
Waking up in a web cocoon outside his apartment, Peter discovers he now has organic webbing and that his web cartridges have ceased working. His AI helper, E.V., explains that his biology is mutating, threatening to override him unless he learns to manage the new powers and sensations coursing through him.
With his new abilities, Peter pursues Scorpion again, this time leaning into the altered biology to subdue the foe, though the fight leaves a cop injured and a brutal reminder of the consequences of mind-control. He then seeks Bruce Banner Mark Ruffalo at a college campus where Banner is teaching a physics class; afterward, Peter asks about inhibitors—how to slow or stop the Hulk—and wonders if a universal version might exist that affects more than one person at a time. Peter returns home to work on an inhibitor tailored to himself, and a second version aimed at countering the Telepath.
The Telepath locates Peter and taunts him, revealing a limited range—roughly 33 feet—and beginning to target MJ. Spider-Man tracks anyone mind-jumped, halting a helicopter pilot in the air by tying the chopper to a web, an early demonstration of how the Telepath’s influence can be thwarted, at least temporarily.
On a rooftop, MJ seems to remember Spider-Man in a moment of lucidity, removing his mask and kissing him. But the Telepath’s trick quickly dispels that memory—MJ collapses and Peter surrenders when the Telepath appears in another body, only to catch a glimpse of the teenage girl behind the manipulation, played by Sadie Sink Sadie Sink.
Peter takes MJ to Frank’s hideout for safety, where booby traps await and the two begin hashing out a plan. From MJ’s suspicions she reveals a clue: the Telepath’s true name begins to emerge—JEAN. ELAINE. GREY. With MJ’s suggestion, Peter refines his inhibitor approach for use on Jean and grapples with Frank’s own painful past, a point of friction between them that reveals how little either character truly knows about the other’s losses.
A confrontation at the DODC erupts as Jean attacks again. MJ convinces Frank to join the defense, and Metzger orders his team into a safe room as something pounds at the vault. Spider-Man confronts a possessed Bruce, who has returned to a Hulk form due to Jean’s influence, and Frank arrives to shoot at the rampaging green giant. Together they manage to extract Jean from Bruce’s mind, but Bruce warns that something inside him has already broken, leaving him in a more savage state.
Jean’s mind then triggers a devastating move: she uses her power to blow open the vault, forcing Spider-Man to intervene and extract the control from Frank’s head. Metzger tranquilizes Jean, and Bruce is taken to a hospital, with Metzger expressing gratitude to Spider-Man for saving the day. Jean mutters “Sara…” in a trembling moment, hinting at deeper trauma behind her powers.
Back at Frank’s hideout, MJ’s discovery of Peter’s letter forces him to reveal his secret to her, and he confesses that he loves her. Yet MJ admits she has no memory of them together, leaving Peter heartbroken but understanding. He heads back to DeWolff, who explains that Metzger is missing but Damage Control’s investigation is ongoing. Peter senses that Metzger’s account of Jean entering his mind was a fabrication and reaches out to Yelena again for help. She uncovers that Sara—the sister of Jean—was also involved in Jean’s backstory and that there was a coordinated effort to scrub crucial memories.
As the investigation unfolds, Peter learns more about Sara’s tragic history and how it connects to the present crisis. The revelation that Jean’s powers could freeze large portions of the city becomes a catalyst for a final, dramatic confrontation in which Peter must risk everything to save New York. With the Hand’s ninjas and Damage Control forces bearing down on the DODC, Spider-Man embraces his enhanced abilities, refusing to surrender. He saves Jean from a deadly fate, convinces her to let go of her rage, and uses a memory of May to reach the part of her that still cares.
In the end, Peter’s actions win the day, though not without cost. Frank—and the city’s grateful fans—acknowledge Spider-Man’s bravery, and a hopeful refrain echoes as Peter looks toward a future where he is no longer alone. The final moments hint at Ned’s memory returning and the Spidey Tracker, now active in space, signaling that Spider-Man will indeed return.