Nebula does it again! After almost destroying the cosmos with the universal compressor three issues ago, the vengeful super-villainess steals the power of the Infinity Union and threatens stellar genocide once more! But just like last time, the Mighty Avengers stand in her way! On the Stranger's gigantic planet-ship; the star-spangled avenger, golden avenger, synthezoid avenger, Asgardian, Eternal, and amazing one fight to the finish against Nebula! With help from the Stranger, can Earth's Mightiest Heroes bring the universe back from the brink one more time?