This takes place after the events of Avengers 3..A battle with Ultron leaves The Avengers defeated, with the heroes killed during the fight, and the world at the mercy of Ultron's machine army. Iron Man/Tony Stark is told by Captain America to take the Avengers' children to a fortified refuge hidden above the Arctic Circle. The children are James Rogers (Son of Black Widow and Captain America), Henry Pym Jr. (Son of Giant-Man and Wasp), Azari T'Challa (Son of Black Panther and Storm), and Torunn (Daughter of the absent Thor and Sif).
Stark secretly raises and trains the children for 12 years. One day, The Vision arrives at the refuge after hiding for over a decade from Ultron.Stark, now dressed as Iron Man, is able to stall Ultron long enough for the children to escape, but he is eventually subdued and captured.But they Avengers's Children manage to escape..
By the way..this fancast is only for the new charcters
Robbie Amell as James Rogers (Son of Black Widow and Captain America)
Alot of pepole want Robbie Amell to be Superboy but i think he would make a great James Rogers.
Najee De-Tiege as Azari T'Challa (Son of Black Panther and Storm)
He is decent actor but he also looks like Azari
Callan McAuliffe as Henry Pym Jr (Son of Giant-Man and Wasp)
Aimee Teegarden as Torunn
Garrett Hedlund as Clint Barton (Son of Hawkeye and Mockingbird)
Villain
Ian Mackillen as Ultron