When people think of artificial intelligence (AI), scenes of android killers and computers-gone-rogue often come to mind.  

Hollywood films like "Blade Runner" and "The Terminator" franchise have instilled in us a sense of dread at the thought of an AI going against its programming and turning on humans.  

For an industry that could generate over $1 trillion in business value this year, and almost $4 trillion by 2022, any major doubts over its ethical implications could hold significant consequences.  

AI is a buzzword that gets tossed around often in the business world and in the media, but it is already having tangible effects for a slew of industries — not least those that rely on a significant amount of manual labor.  

As AI comes increasingly closer to maturity, and businesses continue to ramp up investments in it, some worry that not enough attention is being paid to the broader social and moral implications of the technology.  

CNBC spoke with some experts to see what they think are the five scariest potential future scenarios for AI.