CAN I PUT MY MARINADE IN MY CROCK POT TO COOK MY MEAT?

Probably don't use the marinade without some cooking on its own before cooking the meat. See this useful article for details.
https://www.thespruceeats.com/making-marinades-safe-331649#:~:text=Marinating%20meat%20before%20cooking%20can%20add%20flavor%20and%20moisture%20to%20a%20dish.&text=Even%20if%20your%20marinade%20has,basting%20or%20as%20a%20sauce.