Next Avengers
James Rogers
James is the son of Captain America and Black Widow. James inherited all of his powers from his father, Steve Rogers. He was the one who accidentally sets off Iron Avengers due to which Ultron pin pointed the kids' location and came to attack. He and the Avengers then go to Ultra City to combat Ultron and rescue Tony Stark.
Torunn
Torunn is the daughter of Thor and Sif and is originally from Asgard. She has a sword similar to Mjolnir that can absorb electricity and come back when away from her. She has incredible strength, speed, and the power of flight.
Azari
Azari is the son of Black Panther and Storm. Azari is also the the prince of Wakanda. Has the power to concentrate electricity and has natural instincts. Azari is a very powerful mutant who possesses superhuman strength, speed, durability, reflexes and electrokinesis.
Henry Pym Jr.
Henry Pym Jr. is the son of Giant-Man and The Wasp. He is the youngest among the other children. He inherited his powers from his mother the Wasp, like her he can shrink and increase his size.
Hawkeye/Francis Barton
Francis Barton is the son of Hawkeye and Mocking Bird. He was leading a rebellion against the Ultron in the Ultra city, and he was the one who came to rescue the children when they were attacked by Ultron's forces with the scavengers. Like his father he is also skilled in archery.
First Avengers
Iron man
Captain America
Thor
Hawkeye
Black Panther
Black Widow
Vision
Hulk
Giant man
Wasp
Villains
Ultron
Tony Stark created Ultron to be a force for peace, but its programming evolved coming to think that the only way to truly bring order to Earth was to control it. Then it attacked the Avengers killing most of them. Before they died however, Iron Man gathered their children and took them to a safe place in the Arctic Circle. Ultron detected the energy source, found the Iron Avengers, and took control of them. He later captured Iron Man and imprisoned him in the Citadel. The Children defeated Ultron with the help of Hulk and throw Ultron into the space.