The Pet Avengers are a Creator/MarvelComics superhero team who have appeared in occasional miniseries.

The team roster, drawn from the pets and animal companions of the Marvel Universe's human superheroes, includes:

* Lockjaw, the dog-like alien pet of ComicBook/TheInhumans
* Hairball, Speedball's pet cat
* Lockheed, ComicBook/KittyPryde's ShoulderSizedDragon
* Redwing, Comicbook/TheFalcon's animal sidekick
* Frog Thor, ComicBook/TheMightyThor's animal counterpart
* Zabu, Ka-Zar's sabretooth tiger companion
* Ms. Lion, Comicbook/SpiderMan's aunt's lapdog

The Pet Avengers have appeared in:

* ''Lockjaw and the Pet Avengers'' (4 issues, 2009): The Pet Avengers are brought together for the first time to aid in a search for the [[ComicBook/TheInfinityGauntlet Infinity Gems]].
* ''Pet Avengers Classic'' (trade paperback, 2009): Collection of pre-Pet Avengers adventures of the various animals.
* ''Tales of the Pet Avengers'' (online comic, 2010): Solo adventures.
* ''Lockjaw and the Pet Avengers Unleashed'' (4 issues, 2010): The Pet Avengers are reunited to handle a threat facing all the world's mythical creatures.
* ''Avengers vs. the Pet Avengers'' (4 issues, 2010-11): The Avengers request the Pet Avengers' aid with Fin Fang Foom and a clutch of dragons, but the two groups come into conflict over the best way to handle the situation.

!!The Pet Avengers' adventures provide examples of:

* AlternateUniverse: Originally they were assumed to be on Earth-616, the regular MarvelUniverse. As developments like the Pets of Evil Masters or the Pet Avengers teaming with the regular Avengers made this harder to justify, they were eventually retconned to existing on Earth-97161, where the IntellectualAnimal and AnimalTalk tropes appear to be a fact of life.
* AmplifiedAnimalAptitude: Several of the animals in comparison to their previous depiction in human-centric stories. May be justified by their exposure to the Infinity Gems in the first mini.
* AnimalSuperheroes
* BalefulPolymorph: ''Avengers vs. Pet Avengers'' is kicked off with Thor summoning the Pet Avengers because Fin Fang Foom turned him, Captain America, and Iron Man into frogs.
* TheCameo: UsefulNotes/BarackObama's dog Bo lends a paw in the first mini.
* CanonImmigrant: Ms. Lion, who had previously only appeared in the ''WesternAnimation/SpiderManAndHisAmazingFriends'' animated series.
* CatsAreMean: Hairball has shades of this, given his tendency to suggest "losing" Ms. Lion at the most deadly places (in the jungle of the Savage Land, under the sea).
* CatsAreSnarkers: Hairball, with Ms. Lion as his most frequent target.
* ContinuityNod: The Avengers' reactions to a BalefulPolymorph range from freaking out (Iron Man), taking it totally cool (Captain America), to...
-->'''Thor:''' ''[{{facepalm}}]'' [[ComicBook/TheFightForAsgard Not again.]]
* CoversAlwaysLie: The final issue of ''Unleashed'' has a cover announcing "The Pet Avengers against an incredibly evil beast SO BIG that he won't even fit on the cover!" The Pet Avengers do fight an enormous beast, but "incredibly evil" is not a fair description and it's not nearly the most important thing that happens in the issue.
* TheDitz: Ms. Lion.
* DogsAreDumb: Ms. Lion.
* TagalongKid / TeamPet: Ms. Lion.
* VitriolicBestBuds: Hairball and Ms. Lion.