Makoto escapes Avengers Tower and flies towards Hydra's base. The Avengers quickly dispatch Hydra's foot soldiers. Red Skull appears, clad in nano-machine armor, and begins to overpower the Avengers.
Iron Man rescues the teens from the exploding base, while Bruno is seemingly killed and Makoto manifests emerald wings. The Avengers begin to suspect Makoto is tied to the Emerald Rain Project.
The Avengers pursue leads on the Emerald Rain Project and Winter Soldier, who is accosted by the Masters of Evil for his failure. Makoto, believing the Avengers are not taking their training seriously.
Thor and the Future Avengers are invited by Iron Fist to the hidden city of K'un-L'un, as its elders have important information for the Avengers. While waiting to meet with the elders, Thor requests Iron Fist train the Future Avengers.
Adi continues to have difficulty coping with the atrocities he committed for Hydra, believing himself unworthy of being a hero. Ezekiel Stane issues a challenge to Iron Man, seeking to avenge his father, the Iron Monger.
While the Avengers investigate reports of black market superweapons, the Future Avengers are left behind on standby. Makoto's complaining is interrupted by the sudden arrival of Deadpool, who gave the Avengers false information.
Captain America interrupts the team preparing him a surprise birthday party, and tells the Future Avengers about his origins. Makoto's Emerald powers manifest again, as he receives a vision of Bruno alive on Hydra's island.
The Avengers are presumed dead in the explosion. In their absence, Captain Marvel, Hawkeye and Black Widow are dispatched to stop an attack by the Masters of Evil who have kidnapped a team of scientists to complete the Emerald Rain Project
Knowing the Masters of Evil are gathering vibranium, Stark contacts Black Panther to investigate, but the king refuses to allow any outsiders into Wakanda. Stark convinces Black Panther to let the two meet in person.
During an attack by the Green Goblin, Hulk is exposed to a mind-altering gas that sends him into an uncontrollable rage. Tony equips his Hulkbuster armor to subdue Hulk while the others pursue Goblin, aided by the arrival of Spider-Man.
Osborn celebrates the law's passage, as it will hinder heroes' ability to stop him from causing chaos as the Green Goblin. Stark's armors are confiscated by the government, while the Avengers' political ally Councilman Reiner.
While taking his new booster pack for a test flight, followed by the Avengers in the Avenjet, Iron Man loses control of its systems. The Leader announces he has hacked the booster pack, which will overload and explode.
A doppelgänger of Captain Marvel with stretching powers is seen preventing crimes around New Jersey. With the Avengers busy, the Future Avengers decide to investigate the imposter, and they bait the fake Captain Marvel into an encounter.
The Future Avengers take on Bruno, while the Avengers and the Masters of Evil continue their battle. Out of options, the Leader infuses Ares and Enchantress with the Emerald Crystal's power, supercharging their abilities.
Adi uses his powers to hack into the satellites around Earth and locate Kang's ship. The Avengers attempt to stop Kang once more, joined by Black Widow, Hawkeye, and Falcon, but prove ineffective.
Hawkeye brings the Future Avengers and Bruno to the Sanctum Sanctorum, where Doctor Strange agrees to send Makoto to 6th-century England to retrieve the time-displaced Avengers.
Falcon attempts to launch an assault on Kang's ship, but is repelled by an impenetrable energy shield. Makoto and Bruno speculate that the barrier and their Emerald powers are similar, and that they could pierce through.
Makoto's attack breaks through the barrier, and the heroes storm Kang's ship. Kang uses a time portal to bring his troops from the future. Adi takes control of the Hulkbuster armor and the Future Avengers stay behind to repel Kang's forces
The Future Avengers release Loki and destroy Kang's robot. With his technology disabled, Kang is overwhelmed by the Avengers, and Hulk destroys the Emerald Crystals. Kang attempts to teleport away, but is blocked by Loki.
