[Western Crossover] When Deadpool Accidentally Came to Gotham

After an accident, Deadpool ends up in the city of Gotham, a place known for its wholesome local customs. What will he encounter there?

Please note:

1. Many characters appear, and some may be OOC.

2. Except for Deathstroke, the other heroes and villains may all have a pretty rough time.

3. The timeline is a mess. As currently planned, this world has not yet experienced any invasions from other Earths.

4. Primarily DC, but characters from other worlds will also be mentioned, such as Marvel, HP, Barbie, and so on.

Theme: Justice will always triumph over evil.