The Avengers team gets together to throw a surprise party for Tony Stark. Things take a turn for the worse, when zombies appear on site, and the heroes ditch the celebrations to stop the outbreak. Facing a legion of the undead, some of the superheroes become infected themselves.

Avengers: Zombies Assemble is based on Marvel Comic's Avengers. The series has been published in English by Marvel Comics in comic issues since May 10, 2017.