I Am Legend - Future movies and Gas prices

The good thing about movies portraying near future scenarios is that you often get a glimpse of "small" details inserted into some scenes.

In Will Smith's I Am Legend, look at what you can see on one of the scenes:



Isn't that a Batman VS Superman movie poster? Who knows, maybe they're just creating the buzz to see see how the public reacts... :)

The following frame is also quite interesting:


Have you noticed the gas prices? 6.63 USD for regular Mobil gas, ouch. That's double from now.
And considering the "world" was in that state for nearly 3 years, those prices should be from sometime next year.