ᴡᴇ ᴀʀᴇ ᴛʜᴇ ꜰᴜᴛᴜʀᴇ ~ Avengers Next Gen

Time is passing and everyone is getting older. Including earths mightiest hero's. They know they need to find people to protect the world when they no longer can. They have no clue who to choose to fill their spots, when none other than their children volunteer to take up the roll. Are these teens able to protect the world on their own? Or was choosing these 8 hero's, a bad idea.