Justice League: Mortal
George Miller assembled a complete superhero cast and prepared Australian production, but strikes and financing policy stopped filming before it began.
Quick facts
- Existence state
- Never Born
- Peak stage
- full production started
- Research confidence
- high
- Last verified
What it was
An unmade Warner Bros. Justice League feature to be directed by Australian filmmaker George Miller.
The large ensemble project cast actors including Armie Hammer, Adam Brody and Megan Gale, completed designs and rehearsals, and planned a 2009 release.
Existence timeline
Warner Bros. moves the ensemble script toward production.
The Australian director takes charge of the planned feature.
Principal roles are filled and performers begin preparation.
Strike effects and Australian rebate uncertainty prevent filming.
Warner Bros. lets the prepared production lapse without principal photography.
Why it ended
The writers' strike disrupted script work, while uncertainty over an Australian production rebate and studio strategy prevented principal photography.
Last confirmed trace
Scripts, costume and concept images, cast recollections and documentary research preserve the advanced pre-production.
What it left behind
The aborted Australian blockbuster became a parallel origin point for the superhero ensemble era that reached cinemas through different projects years later.
Questions this archive answers
Why was Justice League: Mortal cancelled?
The writers' strike disrupted script work, while uncertainty over an Australian production rebate and studio strategy prevented principal photography.
How close did Justice League: Mortal get to filming?
The strongest verified milestone maps to full_production_started under Arrival Score V1.
How we classified it
The proposed archive unit never reached ordinary public access in the form being documented.
The strongest verified milestone maps to full_production_started under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.