member Mister Fantastic visits Attilan, city of the Inhumans, seeking the six Infinity Gems. Lockjaw, an oversized dog and pet of the Inhuman Royal Family, finds the Mind Gem, which increases the animal's intelligence. Using telepathy to read Mr. Fantastic's mind, Lockjaw decides to find the remaining Gems. The pet encounters and recruits a number of other animal companions to heroes, including the catHairball, the diminutive dragonLockheed, the falconRedwing, the frogThrog, and the puppy Ms. Lion. Courtesy of Lockjaw's ability to teleport, the group visit the prehistoricSavage Land and acquire the Time Gem and the aid of the sabretooth tigerZabu. The Space Gem is found in the past, and after an underwater encounter and being swallowed by the whale-like Giganto, the group collect the Soul Gem and the Reality Gem. The animal team converge on the final Gem, the Power Gem, which is in the possession of the President of the United States' dog, Bo. The TitanThanos, a previous owner of all six Gems when united as the Infinity Gauntlet, intervenes and kills Ms. Lion. The other animals are angered by this act and use the Gems to strand Thanos in an alternate dimension and subsequently revive their comrade. Retrieving the final Gem, the group decides to separate, but not before Throg advises that they now share a psychic link and will reunite if needed. Ms. Lion dubs the group the Pet Avengers. The series concludes with Lockjaw presenting the Gems to a surprised Mr. Fantastic.
Reception
The first series received mixed reviews, with IGN rating the first issue a 6.5 out of 10. The first issue sold out and went to second printing. The story of the team continued in a second series, Lockjaw and the Pet Avengers: Unleashed, followed by a third limited series Avengers vs. the Pet Avengers and a guest appearance in the Power Pack All-Ages Miniseries title Thor and the Warriors Four. They also appeared with Rocket Raccoon and Cosmo of the Guardians of the Galaxy in Guardians Team-Up #5.
Collected editions
The stories have been collected into two trade paperback volumes:
Lockjaw and the Pet Avengers, 176 pages, May 2010,
Lockjaw and the Pet Avengers Unleashed, 120 pages, February 2011,