Did you download the Nechromancer Pack from inside of the game ?

If you don't there should be a Downloadable Content in the game menu click it and download.When you are done click New Game skip or watch videos again then in character screen area Nechromancer symbol should be top of the other four character symbols.

you are able to desire to pre-order the sport everywhere they have that bonus, i comprehend GameStop has it. additionally you will get it whilst it is going to become obtainable, it is like buggy on the 2nd or some thing and it is not any longer somewhat obtainable at launch or some thing. Or a minimum of it is what i anticipate because of the fact the comprehensive,"New character classification - acquire a unfastened acquire of the all-new Mechromancer character classification as quickly as she's obtainable."-GameStop.

Make sure you've downloaded it fully and have installed it