Suicide Squad: 30 Easter Eggs & References You Must See

It isn't just the fantasy sequence at the start of the movie that sees Harley's original harlequin costume appear: it also turns up when she's "tooling up" and strips naked in front of everyone, either obliviously or provocatively.

In the end, we don't get to see her in battle in it, but her costume is ripped straight out of the New 52. And in addition to that, she wears a necklace reading Puddin in honour of the Joker and her jacket reads Property Of The Joker.

And like her beloved, her tattoos tell a story, with the diamonds on her thigh calling back to her original look and "Daddy's little monster" on her chest.