Most Hilarious Parody in Comics?
1) Grant Morrison and a group of artists decided to parody Liefeld's artistic styles and popularity with a Doom Patrol special called Doom Force. This both parodied Liefeld's art style as well as the general angst of X-Men comics.
2) Marshall Law any run. I think Fear and Loathing where the stupidity of the Comics Code A is explored through a parody of the 60's Legion of Superheroes. The one shots could also be possible choices in my opinion.
"Marshall Law Takes Manhattan" wherein he basically kills the Marvel Universe.
The other one may be called "The Kingdom Of the Blind" or it may not. Its basically Marshall Law kills Batman.
3) Another
Interesting resource on comics censorship, Marvel and DC don't always like being parodied and the info on the comics code A etc. It is interesting 🙂
http://www.firstamendmentcenter.org/Speech/arts/topic.aspx?topic=comix