Monkey Joe was just your average ordinary squirrel until he was called into action by his former partner Squirrel Girl
. In the hopes of becoming the partner of the invincible Iron Man
, Squirrel Girl and Monkey Joe set out to meet him but encountered the despicable Doctor Doom
on the way. However, even after defeating the vile villain, Iron Man still declined a partnership. Soon Monkey Joe along with Squirrel Girl had moved to New York where they met two members of the Great Lakes Avengers
: Flatman and Doorman
. After saving them from some muggers, being inducted into the team and battling Batroc’s Brigade, Monkey Joe became the victim of a jealous and vindictive Leather Boy who murdered the short-lived hero while in the guise of his first defeated foe: Doctor Doom.