That's not speculation. Millar confirmed the title Hit-Girl Returns several months ago.
I'm as giddy as a school girl right now

If it takes place between Kick-Ass 2 and 3, my dream is that it involves:
The trial of Hit-Girl
I highly suggest reading "Kick-Ass 2" before seeing the film.
If you're going to recommend he read Kick-Ass 2, he might as well start with Kick-Ass. Kick-Ass is so much more tame than the comic it's based on Kick-Ass 2 may make his eyes bleed if he goes into it blind
