He worked as a consultant, writer, and editor for the television series Lost and has also written comic books including Superman: Peace on Earth and Harley Quinn. Dini joined Marvel after working at DC for many years and became a writer and producer for Hulk and the Agents of S.M.A.S.H. and Ultimate Spider-Man. He has won a total of five Daytime Emmy Awards for Tiny Toon Adventures, Batman: The Animated Series, Batman Beyond, and The New Batman/Superman Adventures. He married actress, comedian, and magician Misty Lee in 2005.