Missy's child

At some point, had a child. When she gleefully presented the baby to three of her previous incarnations they reacted with shock. (PROSE: Winning)

Behind the scenes
This illustration arose because of a conversation between Steven Moffat and Russell T Davies. The plan follows that Moffat would have ended his era of Doctor Who on a cliffhanger in which Missy told and the Twelfth Doctor that she was pregnant.