To draw comic book characters of women well, you need to master the art of line work. Experiment with different line thicknesses for emphasis. Also, work on shading and highlighting to give depth. And don't forget to add unique elements to make your characters stand out.
Start with basic shapes to build the figure. Focus on proportions and get the poses right. Add details gradually for a realistic look.
First, study the anatomy of women to understand body proportions. Then, practice sketching simple poses. Pay attention to facial features and expressions. Also, use references from real life or other comics for inspiration.