Well, the canon status of MK comics isn't straightforward. It might be canon within certain story arcs or universes, but not across the board. Different interpretations and continuities can come into play.
Platinum's representative works usually had high literary value and social significance, and were widely recognized and respected, such as Battle Through the Heavens, The Peak of Martial Refinement, The Selection of the Heavens, etc.
The length of the MK9 story varies depending on how quickly you progress and explore all the elements. But on average, it can take several hours to complete the main storyline.
Well, the duration of the MK11 story depends on your playing style and how much you explore. Generally, it could take anywhere from 8 to 10 hours to finish the main storylines.
The MK1 story's length isn't fixed. It could be short and concise or drawn out with elaborate subplots. It all comes down to the author's style and the complexity of the narrative.