Comics are usually produced through a process that involves storyboarding, scripting, penciling, inking, coloring, and lettering. It's a collaborative effort of various artists and writers.
Well, first, a writer comes up with the story and plot. Then, an artist does the sketches or pencils the images. After that, another artist might do the inking to make the lines stand out. Finally, colors are added and the text or dialogue is placed in. It's a complex but creative process!