 After the first appearances of the original Fantastic Four, and the defeat of Loki which caused the creation of the first group of Avengers, a new line of heroes have emerged in a possible future timeline.These heroes now form the groups of A-Next and the Fantastic Five (F5), while other heroes such as Spider-Girl, the Green Goblin, and Darkdevil remain solo.At the Avengers Compound, the headquarters of A-Next in the future, the young heroes are busy being trained by Captain America.