Will we see more Final Fantasy nostalgic bosses/areas (like Crystal Tower, FFIII) in the next expansion?

Perhaps famous foes/areas such as:
  • The Four Fiends (Final Fantasy I)
  • Arubboth (Final Fantasy II)
  • Complete: Crystal Tower (Final Fantasy III)
  • Elemental Archfiends (Final Fantasy IV)
  • The Void (Final Fantasy V)
  • Magitek Research Facility (Final Fantasy VI)
  • Ruby & Emerald Weapons (Final Fantasy VII)
  • Balamb Garden (Final Fantasy VIII)
  • Terra (Final Fantasy IX)