One way to come up with jokes for comics is to look at current events and find the humorous side. You can also draw inspiration from your own experiences or those of your friends. And don't forget to keep it simple and relatable so that readers can easily connect and laugh.
Think about common stereotypes and give them a twist. Also, look at popular culture and find ways to make humorous comments on it. Another tip is to play with wordplay and puns, which can add an extra layer of fun to your comic jokes.