XADA = extraterrestrial cells that could affect the brain, which will then results monsters like Mutaform-1
AZA = a bunch of XADAs combine together, forming a giant wall, could affect human/animals, ect. To make mutations. Example: AZA + Gorilla = Gorex
Gaia = a new planet that people are living in.
Dr. Millar found out a way to control XADA, he then fused with Xada which results Duja, Rama and Tyranus.
The girl on wheelchair at the final cutscene is Estellar (couldn't hear the name well), Jake’s sister.
We now have WM-IV, controlled by artificial intelligence.
Here is the stream, please contribute if you can hear some other information: