Swamp Thing is part of James Gunn’s DCU plans.

In January, James Gun announced that Swamp Thing would be part of his DCU plans. Today it was confirmed that James Mangold, who posted about his interest in the character before, is currently writing the script. James Gunn went further to verify that Mangold was also directing. Mangold is also helming a Star Wars movie that was announced today. He is best known for The Wolverine, Logan, and Ford vs. Ferrari. His next film is Indiana Jones and the Dial of Destiny.
Character Synopsis
Alec Holland was an idealistic scientist synthesizing a top-secret chemical in his hidden lab in the marshlands. But after a bomb in his office explodes, the young scientist is murdered. Or so it seems because rising in his place is the Swamp Thing, a creature made of vegetation that’s absorbed Alec Holland’s memories, personality—and grief.