Cartoon Network: Toons of Fear (Halloween Horror Nights)

Cartoon Network: Toons of Fear is an upcoming horror maze for Universal Studios Halloween Horror Nights 29 were it shows the dark side of the network's greatest shows like Dexter's Laboratory, Courage the Cowardly Dog, The Powerpuff Girls, The Grim Aventures of Billy and Mandy, Adventure Time, Regular Show, ThunderCats (2011) and Over the Garden Wall.

Plot
you're being introduced by Black Hat from Villainous in which he will talk about what will come as go on before you go in.

Dexter's Laboratory
Dexter and Dee Dee are there being stalked by Mandark and they're trying to escape.

Courage the Cowardly Dog
Courage attempts to save Muriel from the horibble monsters.

The Grim Adventures of Billy and Mandy
We enter the underworld with Grim, Billy and Mandy.

Adventure Time
you walk through a blizzard of a snowy wasteland towards a large ice mountain, and when you climb it, it is revealed to be a large structure made out of blocks of frozen humans. At the center view of the structure Farmworld Finn soon arrives with the frozen block containing his family and cheerfully puts it into the structure, gleefully saying that they'll be coming with him to a new world alongside the Litch in Farmworld Jake's body.