‘VisionQuest’ Episodes 3 &4 Recap and Ending Explained: Ultron Grabs the Wheel, and the Butcherbird’s Identity Rewrites the Rules

If you’re hunting for the ‘VisionQuest‘ ending explained, it helps to remember how quietly this story began. Marvel’s closing chapter to the trilogy that started with ‘WandaVision’ and continued with ‘Agatha All Along’ follows a rebuilt Vision who carries the original’s memories but lacks the Mind Stone and the emotional intelligence that came with it. That gap between remembering and feeling is the engine of the whole series.

For most of the early run, he hides from the world and consults the AIs living in his head, including F.R.I.D.A.Y., E.D.I.T.H., J.A.R.V.I.S. and Ultron. A bounty then forces him to run alongside Tommy, a boy who may be his reincarnated son. Episodes 3 and 4 arrived together as a double drop, and they change the show’s direction.

The episode opens with Vision close to collapse after Paladin’s attack, his core overheating while E.D.I.T.H. and F.R.I.D.A.Y. try to stabilize him from inside. He has Tommy pull over near a source of sulfuric acid and uses it to seal his wound, a grim bandage that keeps everyone in his head from being deleted.

At the hotel, Vision’s glitching sets off an ATM, and Tommy pockets the cash. Tommy later describes being held underwater as a kid, feeling something else fill the space, then vibrating, boiling the water and moving at incredible speed. Elsewhere, the Butcherbird ambushes Paladin, reads past his mental defenses and discovers he isn’t a Paladin by blood at all, since the real one killed his abusive father and raised him. His client eventually fires him.

When Vision’s systems finally fail, he needs a full shutdown and a massive power surge to restart, so Tommy channels his speed in the hotel pool and jump-starts him. The two share their first hug, but the reboot also tells the new killer that Vision is alive. A memorial for J.A.R.V.I.S. inside Vision’s mindscape is interrupted when the lights die, an alarm sounds and a hacked Vision hears a voice say hello.

E.D.I.T.H. frees Vision from the intruder with a CTRL+ALT+DEL command, and Ultron quickly points out that the synthetic intruder and the Butcherbird killer are the same entity. Digging through Interpol files, the team learns the victims were part of a group that built the first stable synthetic consciousness, a prototype for Tony Stark’s AIs. Each body was missing a biomarker, such as blood, fingerprints or an eye, which suggests the killer is collecting keys to unlock something.

The last target is Katerina Wells, who is hosting a gala on the anniversary of the Sokovia event. Tommy notices Vision mentioned four AIs earlier but later said five, and he works out that the one Vision left out is Ultron. Disgusted by the lie, he walks away at the worst possible moment.

Jocasta crashes the gala, blasts Vision through a window, and E.D.I.T.H. realizes her matrix is based on Dr. Jo Carrington, who died in 2008. Vision tries to reach the woman underneath, but Jocasta insists she wasn’t just based on Jo Carrington. She is Jo Carrington.

The first trailer for #VisionQuest, premiering October 14 on Disney+. https://t.co/jIcsJ2Iarl

— Rotten Tomatoes 🍅 (@RottenTomatoes) August 15, 2026

With Vision glitching and losing the fight, Ultron asks for total control of his body, and after minimal deliberation Vision agrees. It’s a decision made out of survival, and it lands as the most unsettling moment of the season so far.

Ultron greets Jocasta warmly, then baits her into attacking Katerina, who is vaporized. Back in the mindscape, he locks Vision, F.R.I.D.A.Y. and E.D.I.T.H. out of the controls, and Jocasta flies off. The episode ends with the Ultron-controlled Vision leaving the wrecked gala with Tommy, saying he wants to talk.

The takeover works because Ultron spent the whole stretch being useful, patient and almost charming. He waited until Vision was weak enough to say yes. Jocasta also matters beyond this one fight, because her reaction to Ultron’s warmth suggests a bond that could define the back half of the season.

There’s a quieter hint as well. The closing scene shows a museum exhibit on J.I.M., who overloaded and caught fire from strong emotion, matching the burning-man portrait hanging in Vision’s mindscape. Earlier, Vision explains that J.I.M. died because he couldn’t process his consciousness and emotions. That sets up Vision’s own newly awakened feelings as a possible danger.

Several threads are still open, including who hired Paladin, what Markridge’s bio-locked container holds and whether Jocasta answers to anyone. Vision is now a passenger in his own body, Tommy is alone with the villain who once flattened a city, and the people who could help are locked out.

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