In an article for Edutopia, Andrew Miller lists five great strategies for teaching effectively with comics:
I know, we love books and tools, but just like with technology, sometimes we get wrapped up in the tool instead of first thinking about the purpose. Here are some specific strategies to ponder as you select a graphic novel or comic to read, or as you consider how students might create their own. Thinking about them will help you focus your purpose in your instruction. All of them are useful, as long as the purpose is clear to the teacher and the learner.
Full article here.