This is the best trailer mashup I've seen in ever. Futurama, Watchmen, Jesus Zoidburg! Thanks to Topless Robot for alerting me to this piece of joy, and for the headline "The world will look up and shout "save us," and I'll whisper, "bite my shiny metal ass."
Here is the official trailer, should you need a refresh:
Ok, I just opened them in separate windows and played them side by side and they match perfectly, scene for scene. This is some geeky goodness.