That’s interesting because all the women, except for Raven, look pretty much alike facially. It was difficult telling them apart. I could identify the Israeli woman because she was tall and curvy.  I confused the rest.

Karli and her band of misfits stole the serum from the Powerbroker who wants the serum back and maybe revenge. They injected themselves. The murdered scientist recreated the serum using Isiah’s blood. He was reinventing the wheel which can take time.

I read that as Octomoron.