A tiny shark with legs makes even the most hardened comic book reader smile. Jeff the Land Shark went from villain weapon to beloved pet to video game star — and now the character has a solo comic series on the way. This article separates confirmed canon from fan speculation, tracing Jeff’s origin, powers, relationships, and what’s next for Marvel’s most adorable landshark.

First appearance: West Coast Avengers #7 (c. 2019) ·
Species: Genetically engineered land shark ·
Caretakers: Gwen Poole, Kate Bishop, Wade Wilson, Emma Frost, Elsa Bloodstone ·
Video game debut: Marvel Rivals ·
Solo comic series: Jeff The Land Shark (2025)

Quick snapshot

1Confirmed facts
2What’s unclear
  • Whether Jeff will join the MCU — no official announcement exists.
  • The complete list of everything Jeff has eaten across all comics is incomplete and mixed with fan humor.
3Timeline signal
4What’s next

The key facts about Jeff the Land Shark, drawn from official Marvel sources and independent databases, reveal a character with a surprisingly dense backstory for a pet. What follows is a breakdown that separates what Marvel has confirmed from what fans have imagined.

Label Value
Full name Jeff the Land Shark
Species Land shark / legged shark
Role Pet and sidekick
Known caretakers Gwen Poole, Kate Bishop, Wade Wilson, Emma Frost, Elsa Bloodstone
First appearance West Coast Avengers #7 (c. 2019)
Solo comic series Jeff The Land Shark (2025)
Video game Marvel Rivals

Who is Jeff the Land Shark?

Jeff is a land shark — a legged shark that breathes air and moves on land — and he is decidedly not human. According to Wikipedia (community-maintained encyclopedia), Jeff was created by writer Kelly Thompson and artist Daniele Di Nicuolo, first appearing in West Coast Avengers vol. 3 #6 in October 2018 and formally named in issue #7 (January 2019).

Is Jeff the Land Shark a human?

  • No, Jeff is a land shark, not a human (Marvel.com (official Marvel character page)).
  • He is frequently described as a pet and sidekick.

Is Deadpool Jeff the Land Shark’s dad?

Bottom line: Jeff is a genetically engineered shark with legs, owned by Gwen Poole and Kate Bishop. Deadpool is one of several caretakers, not a biological parent — a distinction that matters when separating official Marvel canon from fandom memes.
The upshot

Jeff’s identity as a land shark — not a human — lets Marvel play in a space where pure silliness coexists with actual stakes. The ambiguity around Deadpool as “dad” is a fandom meme, not a plot thread Marvel has ever endorsed.

Why this matters

Misinformation about Jeff’s species and parentage spreads easily online. Sticking to official sources keeps the record straight for fans and new readers alike.

What is the story behind Jeff the Land Shark?

Jeff’s origin is a classic Marvel twist: he was engineered as one of many land sharks built for aquatic and land-based operations, part of a scheme by M.O.D.O.K. unleashed on Santa Monica, California. According to Sideshow (licensed merchandise retailer), Jeff was a runaway M.O.D.O.K. experiment that later found a home with the West Coast Avengers.

Where did Jeff the Land Shark first appear?

  • West Coast Avengers #7 (c. 2019) — after an unnamed cameo in issue #6 (Wikipedia (community-maintained encyclopedia)).
  • Marvel’s character page describes Jeff as being liberated from his creator and joining the West Coast Avengers (Marvel.com (official Marvel character page)).

What happened to Jeff the Land Shark?

  • Jeff moved from weapon origin to pet and sidekick, then to viral Marvel mascot.
  • The digital-first series It’s Jeff! won an Eisner Award for Best Humor Publication in 2024 (Popverse (comics news)).
  • A print solo series, Jeff the Land Shark, is scheduled for June 2025 (Marvel.com (official comic issue page)).
  • The Webtoon Jeff the Land Shark credits Kelly Thompson and Tokitokoro (Webtoon (official platform page)).

The implication: Jeff’s journey from lab-created weapon to Eisner-winning mascot is a rare case of a minor character being elevated entirely by fan affection and creator persistence. The 2025 solo series marks Marvel’s biggest bet yet on a non-human, non-superhero lead.

What has Jeff the Land Shark eaten?

Jeff’s eating habits are a running gag that also explains his powers in Marvel Rivals. According to Sideshow (licensed merchandise retailer), Jeff’s abilities in the game stem from items and artifacts he has consumed, including Pym Particles and Infinity Stones.

Does Jeff the Land Shark have powers?

  • In Marvel Rivals, Jeff is a Strategist-class hero with abilities such as Joyful Splash, It’s Jeff, Aqua Burst, Hide and Seek, Healing Bubble, and Oblivious Cuteness (Sideshow (licensed merchandise retailer)).
  • He can swallow both enemies and allies with his Ultimate move, “It’s Jeff!” (Marvel Rivals Wiki (fan wiki)).

Can Jeff the Land Shark swallow enemies?

  • Yes, in Marvel Rivals, Jeff can devour multiple characters (friends and foes) in a single gulp.
  • In comics, his eating gags are comedic and PG-rated — no detailed inventory is canonically confirmed.

The catch: Jeff’s powers are inconsistent across media. The game gives him a fleshed-out kit based on the eating-gag premise, but the comics treat his appetite as pure comedy. This leaves room for the fandom to fill in the gaps with speculation.

Is Jeff the Land Shark good or evil?

Jeff was originally engineered as part of a killer land-shark fleet, but in current appearances he is aligned with heroes rather than villains. He is a playable hero in Marvel Rivals (Radio Times (UK entertainment guide)).

Is Jeff the Land Shark a villain?

  • No. Multiple sources describe Jeff as a pet and sidekick, not a villain (Marvel.com (official Marvel character page)).
  • His mischievous behavior — eating things, causing chaos — is part of his charm, not evidence of evil intent.

Was Jeff designed as a weapon?

  • Yes, according to ComicBook.com (pop culture news), Jeff was one of M.O.D.O.K.’s creations intended to attack Santa Monica.
  • However, he was liberated and adopted by heroes.

What this means: Jeff’s backstory as a weapon-turned-pet is essentially Marvel’s version of a rescue dog narrative. His current status as a hero in Marvel Rivals aligns with that redemptive arc.

Who loves Jeff the Land Shark?

Jeff’s primary owners are Gwen Poole and Kate Bishop, though he has also been cared for by Wade Wilson, Emma Frost, and Elsa Bloodstone (Wikipedia (community-maintained encyclopedia)). The Webtoon page calls Jeff “the undeniable star of the entire Marvel Universe” (Webtoon (official platform page)).

Who owns Jeff the Land Shark?

  • Gwen Poole and Kate Bishop are Jeff’s primary pet-parents.
  • Wade Wilson, Emma Frost, and Elsa Bloodstone have also acted as temporary caretakers.

Why is Jeff the Land Shark so popular?

  • Fandom demand is visible through extensive merchandise (plushies, figures) and his inclusion in Marvel Rivals.
  • Jeff’s internet-friendly design and comedic personality make him shareable across platforms.

The pattern: Jeff’s popularity exploded not because of a blockbuster movie or epic storyline, but because he is endlessly cute and versatile. The Webtoon and the Eisner-winning It’s Jeff! proved that a character can break out without traditional superhero tropes.

For readers interested in other entertainment properties, check out the Cronos: The New Dawn Review (a video game) and K-Pop Demon Hunters Age Rating (an animated series).

Is Jeff the Land Shark coming to the MCU?

No official MCU or movie appearance is confirmed in any of the provided sources. Jeff currently appears in Marvel Comics, the Webtoon, and Marvel Rivals. Search interest in a Jeff the Land Shark movie reflects fan demand, not an announced project.

Will Jeff the Land Shark be in a Marvel movie?

  • No official announcement exists.
  • Fans speculate about a cameo in a future Deadpool or West Coast Avengers project, but these are not confirmed.

Is Jeff the Land Shark in Marvel Rivals?

  • Yes, Jeff is a playable strategist hero in Marvel Rivals, added in December 2024 (Wikipedia (community-maintained encyclopedia)).
  • Marvel Rivals’ official post describes Jeff as “adorable and mischievous” (Marvel Rivals (official game site)).

The trade-off: Marvel has not yet pulled the trigger on an MCU appearance, but the 2025 solo comic series gives the character a sustained publishing presence. If the comic sells well, a live-action or animated appearance becomes more likely.

Timeline

  • – Jeff debuts in West Coast Avengers comics (Marvel.com (official Marvel character page)).
  • – The Jeff the Land Shark Webtoon launches with Kelly Thompson and Tokitokoro (Webtoon (official platform page)).
  • – Jeff becomes a playable hero in Marvel Rivals (Wikipedia (community-maintained encyclopedia)).
  • – Marvel publishes the Jeff the Land Shark solo comic series (Marvel.com (official comic issue page)).

What we know and what we don’t

Confirmed facts (verified by official sources)

  • Jeff is a land shark in Marvel Comics, not a human (Marvel.com (official Marvel character page)).
  • Jeff is the pet of Gwen Poole and Kate Bishop (Wikipedia (community-maintained encyclopedia)).
  • Jeff was cared for by Wade Wilson, Emma Frost, and Elsa Bloodstone (Wikipedia (community-maintained encyclopedia)).
  • Jeff is a playable character in Marvel Rivals (Sideshow (licensed merchandise retailer)).
  • A Jeff the Land Shark solo comic series launched in 2025 (Marvel.com (official comic issue page)).
  • Kelly Thompson and Tokitokoro are associated with the Jeff the Land Shark Webtoon (Webtoon (official platform page)).

What’s unclear (rumors, speculation, and unresolved questions)

  • Whether Jeff will join the MCU — no official announcement.
  • Whether “Deadpool is Jeff’s dad” is a fan joke or has any literal basis in canon (sources say the latter).
  • The complete, verified list of everything Jeff has eaten across all comics (mostly humorous and inconsistent).

What the sources say

Jeff the Land Shark is the pet landshark of Gwen Poole and Kate Bishop, and has also been cared for by Wade Wilson, Emma Frost, and Elsa Bloodstone.

Wikipedia (community-maintained encyclopedia)

Jeff is adorable and mischievous, bringing joy and healing to allies with every splash. When the tide turns, he can morph into a voracious beast.

Marvel Rivals (official game site)

Jeff is the undeniable star of the entire Marvel Universe.

Webtoon (official platform page)

Jeff was engineered as part of an aquatic and land-dwelling killer fleet unleashed on Santa Monica.

Sideshow (licensed merchandise retailer)

Jeff the Land Shark may be small, but his trajectory from weapon to Eisner winner to video game star is anything but. For Marvel, investing in a non-human mascot is a bet that fandom-driven IP can outlast traditional superhero cycles. The 2025 solo series will be the real test.

For fans in the US and elsewhere, the choice is clear: enjoy Jeff in Marvel Rivals and the Webtoon now, and keep an eye on the June 2025 comic launch. If MCU producers are paying attention, the line for a live-action Jeff could start forming soon.

Additional sources

screenrant.com, yahoo.com

Frequently asked questions

How did Jeff the Land Shark get his name?

Jeff was named in West Coast Avengers #7 (2019) by writer Kelly Thompson. The name “Jeff” is presented as a simple, pet-friendly moniker, matching his role as a companion. (Wikipedia (community-maintained encyclopedia))

Who created Jeff the Land Shark?

Writer Kelly Thompson and artist Daniele Di Nicuolo created Jeff, with first appearance in West Coast Avengers vol. 3 #6 (2018). (Wikipedia (community-maintained encyclopedia))

Does Jeff the Land Shark have a solo comic book?

Yes, Marvel announced a print limited series Jeff the Land Shark beginning June 2025. (Marvel.com (official comic issue page))

Where can I read Jeff the Land Shark?

Jeff appears in Marvel comics (collected editions), the Webtoon Jeff the Land Shark by Kelly Thompson and Tokitokoro, and the video game Marvel Rivals. (Webtoon (official platform page))

Is Jeff the Land Shark an original Marvel Comics character?

Yes, Jeff was created for the Marvel Universe in 2018–2019 and is not based on any pre-existing character or public domain property. (Wikipedia (community-maintained encyclopedia))

Is Jeff the Land Shark in Marvel Rivals?

Yes, Jeff joined Marvel Rivals as a playable Strategist hero in December 2024. (Wikipedia (community-maintained encyclopedia))

Is Jeff the Land Shark coming to the MCU?

No official confirmation. Fan speculation is high, but Marvel has not announced any MCU appearance for Jeff. (Sideshow (licensed merchandise retailer))