A "spoof trailer" is a humorous or parody version of a movie trailer. It exaggerates or changes elements from the original trailer to create a comedic effect. Full definition
The only blind spot there is The Soloist, but I still know more people that didn't realize that was a real movie instead of a Tropic Thunder spoof trailer, so who knows. (incontention.com)
You can check out their other spoof trailers here. (nerdlocker.com)
They've released several spoof trailers, but... (nerdlocker.com)