It has the same background as [Bat Chou] The Adventures of Lego Kerr,
Is it a coincidence that LEGO Joker comes to a world where Joker disappears?
Their love will remain entangled forever, like a Möbius strip.
Lego Ugly: I hate you forever! I am your worst enemy!
Legobat: No, you're not.
Batman: We will be eternal enemies.
Come on LEGO Batman, your Joker is about to be kidnapped!
NOTE: The timeline is confusing! (Marvel timeline is all members)
Intention: None