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