When the original Avengers were decimated by the Scarlet Witch, a program buried inside of the android known as the Vision was put into effect. The next generation of Avengers was sought out and ever since this group has been known as the Young Avengers. With the death of the original team at the hands of the Chrell, a new group was formed due to new events. Taking the name Young Avengers, they are just as brave as any that have come before them!
The history of the Young Avengers can be found in the characters' independent articles.