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Injustice 2 inspired Harley Quinn's The Suicide Squad look

The Suicide Squad director James Gunn has confirmed that Harley Quinn's look was based on Injustice 2.

The Suicide Squad movie director James Gunn has revealed that NetherRealm's Injustice 2 inspired a key piece of the movie's marketing – Harley Quinn's red and black outfit, which appears on all the posters despite it only featuring in the movie for a few minutes.

It was the Batman: Arkham games – according to James Gunn. In retrospect, this may have been an error on director James Gunn's part, since the outfit is blatantly Harley's from Injustice 2.

Some fans noticed that The Suicide Squad actually featured NetherRealm Studios in the "thank you" section of the end credits, which was theorised as possibly having a connection to Injustice 3. However, James Gunn has finally revealed the simpler truth regarding Injustice 2's connection to The Suicide Squad and how the game inspired the iconic look of Harley Quinn.

Gunn revealed this alongside some concept art for Harley's outfits by Christian Cordella under Judianna Makovsky, including the Injustice 2 outfit and both stages of the dress she wears in the latter half of the movie. NetherRealm's Ed Boon also replied with a thank you and still no confirmation of Injustice 3, darn it.

It's not the only time the Injustice series has inspired the movies, either – it directly influenced which is about to get its next showing at DC Fandome on October 16.