Honestly thou, this whole thing can be resolved but just planning to only draw and write only one chapter as a test pilote of sorts and not focus on everything after. Just do one,. No one would are if it is incomplete or only introduces characters. No one cares and fans dont care, if its entertaining.
If you like what you have you can continue it for a longer series, if not. You got the skills, starter fan base and experience to move one.
or just write a novel with some pictures, action can be done very well in a novel. I reccommend you read a few