The use of comics in education is based on the concept of creating engagement and motivation for students.
Comics can help you learn or teach English. They are authentic material. They tend to be funny and they provide the visual context of the words that are used. As comics are generally situated in time and place, they also provide an opportunity for EFL learners to learn and discover other cultures.
This webpage constitutes a good example of the use of comics in the EFL/ESL. English learners will find various comic strips, vocabulary, and explanation to understand them more easily (context, language feature...):