Claire Holt as Kiara Rivers/Cynder

The Core 6 as the Avengers

guest starring

Zachary Quinto as Todd Brealey

Elizabeth Olsen as Wanda Maximoff/Scarlet Witch

Aaron Taylor Johnson as Pietro Maximoff/Quicksilver

Paul Bettany as Vision

with

James Spader as Ultron

Andy Serkis as Ulysses Klaue

Cobie Smulders as Maria Hill

Samuel L. Jackson as Director Nick Fury

 Linda Cardellini as Laura Barton

and introducing

 Scarlett Byrne as Aria

**Some characters may not appear on this list to keep surprise within the story.**