Check out this “viral” video for the awesome-looking upcoming action-comedy Tropic Thunder, featuring Ben Stiller, Robert Downey Jr and Jack Black. It’s quite amusing, even in spite of Jack Black.

Here’s (one) of the trailers that’s already been released ahead of its scheduled US opening in August (September in the UK) this year:

I really hope we haven’t just seen all the funny bits out of the film, because I hate it when they do that with the trailer. I just hate it.