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