Chinese-made humanoid robot AlphaBot 2 uses embedded AI to learn. Is this the tech that will finally bring helper robots into our homes?

But the operators do not foresee an era of robot-on-robot warfare just yet. Ground robots are some way from replacing infantry, they say.

This time, M3GAN faces a formidable adversary, and the odds are stacked against the good guys. Here's how everything shakes out and what it all means.