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