how to become a comic book artist ?

If you want to write your own comic book then you need to come up with a story plot, you can do this by opening a word doc and make a list of things you want to happen in your story. Then you need to come up with your own characters. Then you need to make an outline for what you want to happen in each panel there is plenty of sites out there that will help you with that simply search how to make a comic panal or how to make my ow comic book. I hope that helps. Good luck.