Getting back into Photoshop!!

I need to start getting back into Photoshop for this project, so I've been working on this image for a few days and I'm pretty proud of it, I must say. It's going to be a fan poster for this Batman series:

https://www.youtube.com/watch?v=sRIUR3tU7r0

I combined a screenshot of the joker's face that I got from the trailer as well as an image I got from the internet and I'm pretty happy with the results. I don't know if I'm going to make this my school assignment or if I'll start another one, but for now, this is an example of the kind of work I like to do: dark, simple, interesting, and a little creepy. :) I'm going to touch up the hand because it still doesn't match the tone of the joker's skin, but other than that, I'm content for the moment.
Below are the two images I combined.

I'll probably add in some other small things to give it some extra oomph, like maybe I'll put the floating cards in the background or something like that. Hopefully this turns out well!