Yes there was, Asimov added it in Robots and Empire. "Zeroth Law added" https://en.wikipedia.org/wiki/Three_Laws_of_Robotics#:~:text=come%20to%20harm.-,Zeroth

Yes there was, Asimov added it in Robots and Empire. "Zeroth Law added" https://en.wikipedia.org/wiki/Three_Laws_of_Robotics#:~:text=come%20to%20harm.-,Zeroth%20Law%20added,-edit https://en.wikipedia.org/wiki/Three_Laws_of_Robotics#:~:text...