Spider-Man in Outer Space? What the Post-Credits 'Spider-Tracker' Signal Really Means
Ned's app tracks Spider-Man straight off the planet. Here's every competing theory for where he's going and why, now that the scene itself is confirmed.

Spider-Man: Brand New Day ends its credits with a small app doing something enormous. Ned Leeds's homemade Spider-Tracker — the same tool he built earlier in the film to try to unmask Spider-Man, initially suspecting poor Flash Thompson — pings one last time, following its usual blue dot through a familiar patrol route across Queens.
Then the dot doesn't stop at the edge of the map. It keeps going, straight up, off the atmosphere, out into deep space. No dialogue, no explanation, just a signal that shouldn't be possible doing something Ned clearly wasn't expecting either, based on his reaction.
We already covered this scene once, back when it was still leak territory. Our earlier post-credits breakdown was written before release, stitching together reports from CBR, SlashFilm, Men's Journal, and scoopers like Cryptic4KQual and The Cosmic Circus's Alex Perez, none of which Marvel or Sony had confirmed. Now that the film is actually out — and now that our own full ending recap has walked through exactly what happens — the scene's existence and content are settled fact. What it means is not, and that's the part worth digging into properly.
What We Now Know, Confirmed
Let's be precise about what the theorizing is built on, because it's thinner than it might feel. Brand New Day confirms that Spider-Man's tracked location leaves Earth. That's it. The film does not say where he's going, why he's going, whether he's going willingly, or whether this is even happening in real time versus some kind of anomaly in the tracker itself.
That last possibility is worth taking seriously given everything the movie just spent two hours establishing. Peter's body has been changing all film — black eyes, organic webbing, his spider-DNA overtaking his human DNA under grief and trauma, culminating in him tearing off a failed inhibitor to fully embrace the mutation and save Jean Grey telepathically. A hero whose biology is actively rewriting itself is not necessarily a hero whose GPS signal means what it used to.
Theory One: An Avengers-Level Summons
The most straightforward read is also the most dramatic: something out there is powerful enough to require Spider-Man specifically, and it's calling him off-world the way distress signals work in every space opera ever made. Given that the MCU is barreling toward Avengers: Doomsday in December, a cosmic distress beacon lighting up a young hero's tracker reads like connective tissue almost by design.
The trouble is the cast list. Avengers: Doomsday has roughly thirty confirmed names attached, headlined by Robert Downey Jr. playing Doctor Doom rather than returning as Tony Stark, who died in Avengers: Endgame. Tom Holland is not currently on that list. That doesn't rule out a surprise, uncredited, or later-announced appearance — Marvel has kept bigger secrets — but it does mean anyone treating this as a confirmed Doomsday setup is filling in a gap the studio hasn't filled in itself.
Theory Two: Battleworld and Secret Wars
A second camp points further out, past Doomsday entirely, toward Avengers: Secret Wars in December 2027. The comics version of Secret Wars hinges on Battleworld, a patchwork planet built from colliding realities after an Incursion event, and pre-release leak coverage of this exact scene already floated Incursion and Battleworld language before anyone had seen the finished film.
If that's the direction Marvel is leaning, sending Spider-Man's signal straight into deep space rather than sideways into a portal or rift is a curious choice, since Incursions are traditionally about realities colliding, not about characters travelling through ordinary space. It's not incompatible with a Battleworld tease, but it's a slightly odd shape for one, and worth sitting with rather than smoothing over.
A Third Reading: Whose Signal Is It, Really?
There's a quieter theory that doesn't require Peter to be going anywhere at all. Ned built the Spider-Tracker to find Spider-Man, not to find Peter Parker specifically, and this film has been fairly loud about the idea that "Spider-Man" might not be a fixed, singular thing anymore given what's happening to Peter's DNA.
Under this reading, the app hasn't necessarily tracked Peter into orbit. It may have picked up a different signature entirely — a spider-powered variant from elsewhere, briefly passing through or near Earth's atmosphere, that the tracker's algorithm simply logged as "Spider-Man" because that's the only category it knows. Multiverse stories love this kind of category error, and it would let the joke land (Ned's obsessive little app malfunctioning spectacularly) without committing the franchise to anything.
How the Theories Stack Up
| Theory | What it would mean | Biggest problem |
|---|---|---|
| Avengers-level summons | Peter is being pulled toward a Doomsday-adjacent threat | Holland isn't on the announced Doomsday cast |
| Battleworld / Secret Wars setup | The signal is an early Incursion or Battleworld tease | Deep-space trajectory reads oddly for an Incursion |
| Different Spider-Variant detected | The tracker logged someone else's signature, not Peter's | Purely speculative, no textual support yet |
| Glitch tied to Peter's mutation | His changing biology is scrambling the tracker's data | Undercuts the "he's really leaving" reading entirely |
It's cute, but I couldn't tell you what it's actually building toward — and I don't think the film could either.
That line, echoing the lukewarm critical reception the scene got on release — Toronto Star's Peter Howell singled it out as his one real complaint, Esquire's Eric Francisco admitted he'd "memory holed it barely hours later," and Polygon's Brian Vanhooker landed somewhere between "completely useless" and "epic game-changer" — captures the actual state of things. This is a scene built to generate exactly the conversation you're reading right now, not to resolve anything on its own.
Why Marvel Might Be Leaving This Deliberately Open
There's a practical case for the vagueness. Brand New Day just spent its whole runtime on an intensely personal, grief-driven story about Peter losing his sense of self, MJ, and even his own biology. Bolting a specific, fully-explained cosmic crossover onto the very end would have undercut that quieter ending — Frank Castle covering for him at the hospital, MJ's devastating "I can't love you as who you are now" conversation, Ned finally remembering their secret handshake.
- A vague tease preserves all four theories as live options through Doomsday's December release
- It lets marketing build interest without committing to a plot Marvel hasn't finished writing
- It mirrors the deliberately unresolved nature of Peter's own transformation this film
- It gives every outlet, including this one, a reason to keep talking about the film
- Watch how Doomsday's marketing rolls out over the next few months for any Spider-Man imagery, official or leaked
- Track whether Holland gets added to any cast announcements between now and December
- Note that a "glitch" reading would need almost no future setup, while the other three all require real narrative follow-through
The Honest Answer
Nobody outside Marvel Studios and Destin Daniel Cretton's team knows what that signal is chasing, and anyone telling you otherwise is guessing with confidence rather than evidence. The scene confirms Spider-Man's tracker leaves Earth. It does not confirm a destination, a cause, or a timeline, and the pre-release leaks that hinted at Incursions and "another planet" were describing the same uncertainty we're describing now, just with less to go on.
What's genuinely new since release is that the ambiguity is now the confirmed text, not a rumour waiting to be verified. That's a small but real shift, and it's why theories built today can at least stand on solid ground about what happened, even while the why stays wide open.
Frequently asked
What actually happens in the Brand New Day post-credits scene?
Is the post-credits scene connected to Avengers: Doomsday?
Does this post-credits scene mean Spider-Man is going to Battleworld or Secret Wars?
Could the Spider-Tracker signal be tracking a different Spider-Man instead of Peter Parker?
How is this article different from the earlier post-credits explainer on this site?
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Characters in this story

Spider-Man
Peter Benjamin Parker
Jean Grey
Jean Elaine Grey
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