| Issue | #3 |
| Published | September 2009 |
| Cover Price | 2.99 USD |
| Pages | 36 |
| Editing | Nathan Cosby; Ralph Macchio (Consulting) |
| Characters | Lockjaw; Throg; Lockheed; Redwing; Hairball; Giganto |
| Genre | superhero |
| Pencils | Karl Kerschl |
| Inks | Karl Kerschl |
| Colors | Karl Kerschl |
| Letters | Typeset |
| Characters | Lockjaw; Hairball; Spider-Man; The Thing |
| Genre | superhero |
| Pencils | Nico Henrichon |
| Inks | Nico Henrichon |
| Colors | Nico Henrichon |
| Letters | Typeset |
| Characters | FEATURE: Pet Avengers--Lockjaw; Throg [Simon Walterson]; Lockheed; Redwing; Hairball [Niels] (Speedball's Cat); Zabu; Ms. Lion; VILLAIN: Giganto; CAMEO: Thanos |
| Synopsis | The Pet Avengers continue their hunt for the Infinity Gems from the bottom of the ocean (where they are swallowed by Giganto) to the interior of the White House (where the president's pooch has a very fancy dog collar); Once the team has all of the gems, Thanos shows up to take them back. |
| Genre | superhero |
| Script | Chris Sotomayor |
| Pencils | Ig Guara |
| Inks | Ig Guara |
| Colors | Chris Sotomayor |
| Letters | Blambot's Nate Piekos |
| Characters | Hawkeye; Mockingbird; Hulk |
| Genre | superhero |
| Script | Paul Tobin |
| Pencils | David Williams; David Baldeon |
| Inks | David Williams; David Baldeon |
| Colors | Sotocolor |
| Letters | Dave Sharpe |
| Notes | Promo of upcoming comic. |
| Genre | superhero |
| Pencils | Karl Kerschl; Nico Henrichon |
| Inks | Karl Kerschl; Nico Henrichon |
| Colors | Karl Kerschl; Nico Henrichon |
| Letters | Typeset |
| Notes | Story credits for this issue and cover art for both the regular and variant covers for next issue. |