Perhaps just stay well away from anything Rule 34 related. It’s a boom industry and you missed the gravy train pulling away from the station. Although if you’re smart you’ll draw a generic Doctor Who in a compromising position with his face missing. Then when the new one is eventually announced you can just impose his face in there. Boom, you’re in the money. Shot.
I did a version of this comic with an alternative speech bubble Check it out and then figure out which one has the most value for you.