Tonguez
A suffusion of yellow
Supermans Menagerie
In the Justice League Cartoon Supes had a Menagerie of Alien creatures he had saved over the years
Maybe some Outsider has been collecting Monsters of every sort from throughout the Planes and keeping them in a Extra-Dimensional Menagerie
Then:
A)The PCs become the next exhibit at the Zoo!
B) The Monsters escape and the PCs are hired to round them up again
C) The Outsider disappears, her worshippers wonder where she has gone and the PCs (one being her High Priestess another being whatever...) go and look for her and find that she has been possessed by Monster X!!!
D) A Monster version of a Jurassic Park type scenario
In the Justice League Cartoon Supes had a Menagerie of Alien creatures he had saved over the years
Maybe some Outsider has been collecting Monsters of every sort from throughout the Planes and keeping them in a Extra-Dimensional Menagerie
Then:
A)The PCs become the next exhibit at the Zoo!
B) The Monsters escape and the PCs are hired to round them up again
C) The Outsider disappears, her worshippers wonder where she has gone and the PCs (one being her High Priestess another being whatever...) go and look for her and find that she has been possessed by Monster X!!!
D) A Monster version of a Jurassic Park type scenario