thought the first couple of episodes were filmed, and some of the first wave of the toyline was finalized. I do remember the rumors of the Swamp Knight going around back then.
Some tidbits from AFPR:
https://groups.google.com/forum/?fromgroups#!search/Mystic$20Knights$20Battle$20Thunder/alt.fan.power-rangers/A_xZyqyMjls/hdOMq3Aq4FUJ
https://groups.google.com/forum/?fromgroups#!search/Mystic$20Knights$20Battle$20Thunder/alt.fan.power-rangers/vIhrSk4Dh80/sKrj6reZOKUJ
http://web.archive.org/web/199910131...46/armory.html