Lucky that you're only doing it for coursework, it's part of my A-Level Paper 1 so I'm revising this myself for next month.
Have you done contextual research? You'll find a lot of stuff relating to your two themes. I'd really recommend looking up the Angel In The House and New Woman in regards to identity. Torvald's controlling behaviour is certainly a point you can raise for masculinity, there's so many quotes for it, you definitely won't be short of things to talk about.
What are you comparing ADH to?