|The character The Joker did not originate from fanon, and more information can be found on their respective wiki(s). You may read more about it on the following wiki(s):|
|Full Name||The Joker or simply Joker|
|Date of Birth||Unknown|
|First Appearance||Batman #1 (April 25, 1940)|
The Joker is a fictional DC comics villain and the main antagonist in the Batman series and appears throughout various DC spin-off television shows and making cameos in various video games.
The Joker is one of the main playable characters of a crossover between Lego Batman (hence the title) and Lego Marvel. He is one of the supervillains led by Lex Luthor to take down Hydra - Luthor not wanting to be outclassed by Baron Zemo. This group ends up teaming up with the main heroes consisting of the founding members of the Justice League, several of the Avengers, Spider-Man, Wolverine, the Thing, and Deadpool for the final battle against Zemo.