The X-Men are reunited following the death of a teammate, and are summoned by Charles Xavier to Japan following the abduction of Hisako Ichiki (Armor). There, they confront the U-Men, a lunatic cult that steals and transplants mutant organs to further strengthen their own army, and the battle for justice is on.

[Source: Marvel]

Makoto, Adi, and Chloe have been saved by the Avengers from the evil organization Hydra, who were tampering with their genes. Even though they have immense superpowers, they are just kids and thus start training as ‘Future Avengers’ under the real Avengers. Together with the strongest superhero team in the world, the kids start to stand up against evil, until they become true heroes themselves.

[Source: MANGA.TOKYO]