Harley Quinn, Black Canary, pregnancy, Harley Quinn has four-year-old daughter with the Joker. This story line results in Harley realising how abusive the Joker actually is - she ends up friends with Black Canary.
These are perfect.-- I love that it showed the characters in houses other than Gryffindor, and didn't just put Hans in Slytherin. But Anna's position as a Hufflepuff could be argued. Personally I can see her as a Gryffindor.