在 IGN 的粉丝节上，导演扎克·施奈德解释了他为何要在《正义联盟》中引入杰瑞德·莱托饰演的小丑这一角色，并介绍了其设计过程。正如扎克·施奈德版《正义联盟》预告片中所透露的那样，小丑出现在蝙蝠侠的梦魇中，这个末世梦魇在《蝙蝠侠大战超人：正义黎明》中首次出现。而施奈德一直很想让小丑出现在这个场景中，于是他去找了莱托。我和杰瑞德交谈，他表示有兴趣做这件事，我就觉得，‘好，这就是我不能错过的东西’。扎导还介绍了小丑的新造型的设计过程：“这个造型的灵感来自于，你知道，那种我非常喜欢的末日世界。"更重要的是，扎导设计这个版本的小丑，也带着将其纳入未来电影的考量。他接着解释说：我们的想法是，随着电影的推进，下一部电影——如果有的话，不过似乎永远不会有——但如果有的话，这个小丑将主要存在于那个英雄们试图修正的世界中。我们试了
At ign's fans' day, director Zach Schneider explained why he wanted to introduce Jared Leto's clown role in the League of justice, and introduced the design process. As revealed in Zach Schneider's "justice alliance" trailer, the clown appears in Batman's nightmare, which first appears in "Batman vs Superman: Dawn of justice". And Schneider always wanted the clown in this scene, so he went to Leto. I talked to Jared, and he said he was interested in doing it, and I thought, "well, that's what I can't miss.". Zadao also introduced the design process of the clown's new shape: "the inspiration of this shape comes from, you know, the doomsday world that I like very much. &What's more, Zadao designed this version of the clown with the consideration of incorporating it into future films. He went on to explain: our idea is that as the movie moves forward, the next movie - if there is one, it seems never to be - but if there is one, the clown will mainly exist in the world that the heroes are trying to fix. We tried
