Well for my cuda...
Remove the door panel screws along the sides and bottom.
Remove the bezel for the remote drivers side mirror if equipped.
Loosen the door lock lever in the arm rest.
Pop out the bottom clips of the door panel.
Pull panel slowly away from the door while lifting and managing around the inside door latch handle.
Once panel is removed, unclip the lever rod for the door handle.
Loosen the nuts for the door handle and remove.
I think that's it. If I remember right.
Disclaimer... it might be a little different for a challenger.