Justice League Dark
Guillermo del Toro version
Guillermo del Toro wrote Constantine, Swamp Thing, Zatanna and Deadman into one supernatural romance, then left when the studio's timetable collided with his next film.
Quick facts
- Existence state
- Never Born
- Peak stage
- detailed preproduction
- Research confidence
- high
- Last verified
What it was
An unmade DC supernatural ensemble film developed and scripted by Guillermo del Toro.
The screenplay assembled occult characters around John Constantine, a threat involving ancient forces and the relationship between Swamp Thing and Abby Arcane.
Existence timeline
Del Toro begins developing a DC occult team film.
The director publicly describes characters and tone.
Constantine and Swamp Thing anchor the ensemble.
Warner Bros. seeks continued movement on the project.
The director leaves because of competing commitments.
Later Justice League Dark projects do not film his script.
Why it ended
Del Toro departed in 2015 when Warner Bros. wanted the project moving during his other commitments; later versions did not continue his screenplay.
Last confirmed trace
The completed script, creator interviews and some design accounts preserve the abandoned version.
What it left behind
The project helped establish Justice League Dark as a recurring screen-development idea even though this creative lineage never filmed.
How we classified it
The proposed archive unit never reached ordinary public access in the form being documented.
The strongest verified milestone maps to detailed_preproduction under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.