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"Species: Flerken. Threat: High."
Kree Threat Detector[src]

The Flerken are extremely dangerous alien creatures that externally resemble Earth's cats.


Owned by Mar-Vell[]

Mar-Vell owned a Flerken whom she named Goose and had taken with her on Earth during her undercover mission. After her owner died, Goose lived inside the Joint Dark Energy Mission Facility for several years, until she was reunited with Carol Danvers, one of the few people she likes.[2]

Kree-Skrull War[]

Goose traveled with Danvers to the Rambeau Residence where she later meets Talos, who is another of the few people she likes, and then to Mar-Vell's Laboratory, where she swallowed the Tesseract and fought some Kree soldiers using her tentacles. In the aftermath of the Battle at Mar-Vell's Laboratory, Goose was taken in by Nick Fury at S.H.I.E.L.D., where she later regurgitated the Tesseract.[2]

Goose's "Kittens"[]

Many years later, while aboard the S.A.B.E.R. Space Station, Goose would begin to reproduce and lay eggs all around the station. These eggs would hatch not long after, creating a massive litter of baby Flerken. To help evacuate the station when a limited number of escape pods were available, Nick Fury ordered the S.A.B.E.R. crew to be swallowed by Goose and her babies. Fury, alongside the Khans, would successfully escape to Earth with the Flerken in tow.[1]

Characteristic Traits[]

Flerken are human-level intelligent creatures that have unique physiology as they have pocket dimensions inside their bodies. This allows them to swallow objects for protection and regurgitate them later on, even being capable of storing things as powerful as the Tesseract. In these pocket dimensions, Flerken store large tentacles that they can deploy at will from their mouths to attack enemies and help swallow large objects. Unlike cats, Flerkens hatch from red-pinkish eggs.[2]

Notable Flerken[]


Appearances for Flerken

In chronological order:

In an indefinite temporality:


  • In the comics, the Flerken are a race of aliens that resemble Earth's cats, lay eggs, and possess multiple tentacles that can extend from their mouths, which hold pocket dimensions inside of them.
  • Although not cats, Flerken still eat cat food.[3]


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