I doubt prestige is in atm.
How ever personally I wouldnt mind if it was added in a dlc, Its a nice way of luring people back time after time.
There is no persteige nor will there ever be.
Once you max out your characters level you continue playing with him, when/if you want, you can make another character that starts at level 0, you can make a new character any time you want, you can have up to 10 characters at a time, and you can delete characters, freeing up a slot so you can make another character.