No matter how powerful you are, how heroic you are, or how beloved you are, you still have to pay taxes. And when the IRS comes knocking on the door to Avengers Tower, it causes all sorts of problems. Luckily, the Avengers can avoid the problematic filing of their real names by helping the IRS collect back taxes on a few deadbeats. Unfortunately, those deadbeats include Bullseye, Man-Bull, the Absorbing Man, Whirlwind, and a certain highly-successful web-designer named Oog---and these guys DON'T want to pay! Action! Adventure! Taxes?