Seeing the tremendous potential of Nano Technology, it does not seem wrong to imagine the potential to make a man super like a Man of Steel. How can that be?  This sounds crazy anyway, but some of these points can be hints. 
1. Increase Oxygen Absorption
Scientists are in the process of researching the fourth stage of Nano Technology, one of which is to make new artificial red blood cells. Her name is Respirocyte. If successful, will be able to reduce the human need to breathe. The design is round, 8 times smaller than red blood cells, but is capable of storing oxygen and carbon dioxide 236 times more than red blood cells. It uses the power of glucose in the blood as a source of energy and is able to manage the carbonate acidity through the sensors and nanotubes inside.
2. Super Computer
Technological developments inevitably associated with the development of computers right? We feel today the development of computing has been very rapid. From the early 2000s which at that time hits really use Nokia 3310, compared to the year 2017 with smartphone-rich features of various comparations brands like heaven and earth. 
With this exponentially increasing technological development, it is not impossible J.A.R.V.I.S. Will be released with super hardware nano-tech computers, even the same like iron man :D  . Before getting there, just imagine a super computer intelligence like the Eagle Eye Movie.
3. Difficult to Die
Here I want to explain that Nano technology increases human life expectancy. Humans can be upgraded their ability to use this technology  . As an example of increased cell regeneration ability, accelerated wound healing, may even be immune to stabbing. You ever Watch Dark Matter TV Series? If ever you know the ability of nanotechnology that is owned by the bad character really bad.lel
4. Mind Control
Nano Technology allows humans to upload and even input mind data that is in the brain to or from a computer.This is not fiction forever. "Much research has been done to achieve this intention. The first of course does research on the brain and how it works. Many in western sono are learning it again, such as OpenCog, Neuromorphics Lab at Boston University, Google X Lab, Russia 2045, NIH BRAIN (who has received 100 million dollars for funding from the US Government), and many others. The EU also recently gave € 1.2 billion to brain researchers."
This is just a prediction or forecast that will happen in the future, based on what we see today more sophisticated technology, does not rule out this can happen.