Collects Lockjaw And The Pet Avengers #1-4 And Lockjaw And The Pet Avengers Unleashed #1-4. Pet Avengers assemble! And there came a day, a day unlike any other, when Earth's mightiest heroes were…totally unaware of a threat greater than all of them could handle. And on that day, the Inhumans' teleporting dog, Lockjaw, scoured the world to assemble a team of animals to fight the foes no single beast could withstand! Strap on your collar for the adventures of Lockjaw, Throg the Frog of Thunder, Lockheed the dragon, Falcon's bird Redwing, Hairball the bouncing cat, Zabu the saber-tooth tiger and the unbelievable Ms. Lion: the Pet Avengers! But will Devil Dinosaur answer the call to battle? Can the team keep the Infinity Gems away from Thanos? And what happens when Throg discovers a threat to the mythical creatures of the Dream Realm?