The Avengers, the Fantastic Four and various other heroes of the Marvel universe come together to fight and prevent the incoming invasion of the Kree/Skrull armada being led by Hulkling, who has been crowned as "Dorrek VIII".

[3] Teddy Altman is offered to become the ruler of the Kree-Skrull Alliance, at the cost of leaving his longtime lover Billy Kaplan.

Dorrek VIII sends a message to all Kree and Skrull soldiers, stating that they will unite to face a common enemy.

They head to Casino Cosmico, hoping to enter the Thing into a few fights to win them transport back to Earth.

[8] At the Blue Area of the Moon, Quoi traps several heroes in plants, including Captain America, Thor, and Iron Man.

As the Alliance disagrees with Hulkling, Tanalth has Super-Skrull bring up a previous incident where he destroyed several Skrull colonies that imitated Earth culture.

Captain Glory speaks with Tanalth in private about how Ronan died standing with the Utopian faction[b] and his gene scan does not identify her as a Kree.

At Avengers Mountain, Tony Stark is working on another Iron Man armor as Mister Fantastic informs him about the Pyre, which they plan to use on the Sun.

At Lake Victoria, Quoi and the Swordsman Cotati hear that the battle is not over as She-Hulk, Invisible Woman, and the Thing arrive with Mantis to confront them.

[11] Mister Fantastic informs Tony Stark that there is a Death Blossom in Wakanda and with the Pyre triggered, they have nine minutes to save the world.

In the present, the Thing and Human Torch break up an argument between Jo-Venn and N'kalla as Franklin and Valeria Richards take them to Earth.

Arriving at Alchemax, Franklin, Valeria, Spider-Man, and Wolverine learn from a security guard that the Dark Harvest stole something from them.

[19] One year ago in the Sanctum Sanctorum, Doctor Strange talks with Scarlet Witch about her actions during M-Day.

Scarlet Witch inadvertently resurrects the 16 million mutants who were previously killed by Cassandra Nova as zombies, and they attack the X-Men.

[22][23] Years ago, on Tarnax IV, Anelle is advised by the Skrull guards to evacuate as Galactus is preparing to consume the planet.

Tanlath the Pursuer, M'ur-Ginn, and Super-Skrull believe that Wiccan has interfered in their goals, causing Hulkling to break up with him and have him return to Earth.

Captain Marvel investigates the destruction of the Ki'nal sanctuary and learns that the culprit is Lauri-Ell, an artificial Kree and her half-sister.

[27] Later, Marvel discovers that Lauri-Ell was framed and that the real culprit is Walter Lawson, a scientist whose identity Mar-Vell took years prior.

[28][29][30] In Arlington, Virginia, the army is fighting a losing battle against the Cotati led by Shi Qaanth until Captain America arrives.

Franklin Richards brings the Cotati to an uninhabited planet where they can live in peace, while Nick Fury resurrects Uatu, who was killed during Original Sin.

[41] A number of titles were removed from the storyline checklist due to the COVID-19 pandemic:[47] According to the aggregate website ComicBookRoundup, the typical issue of the core series received an average score of 7.2/10.