After a sensational rookie year Michael Jordan lost most of the 1985-1986 NBA season due to a foot injury. When he came back he played with a hybrid model where the upper part was from the Jordan 1s and the sole was from what would be his new signature shoes.
The first appareance of the Nike Air Jordan 2 was a commercial filmed by Michael Jordan in the summer of 1986. The shoes were oficially released in November 1986 just in time for the start of the 1986-1987 NBA Season.
There were some revelant changes compared to the previous model. First of all the Nike Air Jordan 2 were made in Italy in the search of elegance and sophistication. Nike even said that they were the kind of sneakers that "would look great with a tux". Another change made was the absense of the famous Nike logo (The Swoosh) in favor of the The Jordan Wings.
Also initially they were released only in 2 colourways available in high or low tops. Michael Jordan combined them in a season where he averaged a career-best 37.1 points per game.
It seems that the original molds were lost in Italy so Nike had to make new ones to launch the retro models. The first ones came as early as 1994 and since then Nike had released them in many colourways. You could take a look in the
official webpage