Spider’s mom in Avatar is Paz Socorro. Expanded Avatar lore provides this answer, since Avatar: The Way of Water does not reveal it on screen.
If you have been asking who’s Spider’s mom in Avatar 3, the canon answer is already set. The movies keep much of her story offscreen.

Spider is not just a human kid raised around the Sullys. He is tied by birth to both the RDA and Colonel Miles Quaritch.
That family link shapes how you read his choices in Avatar 2. It also shapes what you may expect from Avatar 3.
The Direct Canon Answer

Spider’s mother is Paz Socorro. Avatar lore outside the main films gives Spider a direct connection to the human side of Pandora and the Quaritch story line.
Paz Socorro Is Spider’s Mother
The comics and related Avatar lore name Paz Socorro as Spider’s mother. She served as an RDA Scorpion gunship pilot, which places her on the human side of the conflict before Spider was old enough to know her.
How Avatar: The High Ground Confirms It
Avatar: The High Ground from Dark Horse confirms Paz Socorro as Spider’s mother and links her to Miles Quaritch. That comic fills in the gap left by the films.
Why Miles Socorro’s Name Matters
Spider’s full name is Miles Socorro. That surname shows he comes from a human family line, not a Na’vi one.
It also confirms that his family history is tied to Miles Quaritch, not the Recom version you see later.
What Happened To Paz On Pandora
Paz’s story is short and tragic. Her death on Pandora left Spider with a missing family connection.
Her Role As An RDA Scorpion Gunship Pilot
Paz worked as an RDA Scorpion gunship pilot during the fighting on Pandora. She was part of the human war effort, which placed her in direct conflict with the Na’vi.
Death During The Battle Of Ayram Alusìng
Avatar comic backstory says Paz died when her gunship was destroyed during the Battle of Ayram Alusìng. Some retellings also connect her death to the larger fighting near the Tree of Souls.
How Spider Was Left Orphaned
With Paz gone and Quaritch absent, Spider grew up orphaned among the human survivors on Pandora. That loss helps explain why he later bonds so closely with the Sullys and looks for a sense of home.
Spider Between Quaritch And The Sullys
Spider is caught between Quaritch and the Sullys, even when he tries to stay loyal to the people who raised him. His mother’s history adds another layer to that split, because it ties him to the conflict that shaped Pandora.
Jake Sully And Neytiri’s Uneasy Role In His Life
Jake Sully treats Spider with care. Neytiri sees him through the pain of the war.
In Avatar 2, that mix of trust and fear makes Spider’s place in the family feel unstable and personal.
How Kiri Mirrors Spider’s Search For Belonging
Kiri and Spider both carry questions about birth, identity, and where they belong. Their bond shows how the Avatar films keep returning to the idea that family can be chosen, not just inherited.
What It Could Mean For Future Films
Paz is dead in current canon, so a full return seems unlikely. Even so, Avatar 3 and later sequels still leave room for flashbacks or memory-based scenes.
Whether Paz Could Appear In Flashbacks
A flashback could show Paz before Spider’s birth or during her time on Pandora. That would add context without changing her fate.
How Quaritch’s Memories Could Reopen The Past
Quaritch’s return as a Recom keeps the original man’s memories in play. That gives the story a way to revisit Paz indirectly.
If the films keep using ideas from Avatar: The High Ground, those memories could matter a lot.
What To Treat As Theory Before Avatar 3
At this point, only Paz’s confirmed backstory is certain.
The franchise will likely use her as part of Spider’s emotional history, not as an active player in the present.