In the original prototype Kano without his cybernetic eye. But in the concept arts and he was with it. in the release version of the game in the cutscenes the eye is red. But 3d model is the same as in the Beta version without a prosthetic eye.
In general, this character was also deprived of a backstory and development.
In the Beta version, the plot is cut short when Sonya (@kerrianngallery ) shoots Kano, who is hiding behind Sonya's and Jax partner.