Swamp Thing Giant #4 was published by DC Comics on June 1, 2020, as part of a series that began in 2019. Mark Russell and Phil Hester write, and art comes from Marco Santucci and Tom Mandrake. This 100-page issue features Zatanna, John Constantine, Swamp Thing, Chas Chandler and Zachary Zatara, among 6 characters catalogued on VerseDB.