Do you want to compare Iris West Allen with Cassandra Cain? Discover the powers, weakness & weapons of Iris West Allen and Cassandra Cain from Iris West Allen Biography and Cassandra Cain Biography. Find out all about Iris West Allen and Cassandra Cain.# Check out how is Iris West Allen unique and distinct from Cassandra Cain. Discover their love interest, sidekicks, family tree and the movies and games list in which Iris West Allen and Cassandra Cain have appeared. Find out everything about them here!