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