Hear what happens why you call the number listed on this S.H.I.E.L.D. sign

It seems these strange, extremely cool S.H.I.E.L.D. warning signs keep popping up around London — sporting a number to call if you see anything strange. So, what happens if you actually call?

In a nice bit of promotional work for the new hit series Agents of S.H.I.E.L.D., Marvel and the local British net have taken to the streets to build a little buzz for the Avengers spin-off series. Hey, why didn’t we get these cool little tidbits in the ‘States?

The official-looking signs sport the S.H.I.E.L.D. insignia, and ask the general public to call an emergency help line if they know anything about the hooded hero case featured in the pilot episode.

So, what happens if you call the number? The folks at Bleeding Cool were kind enough to record it. Give it a listen below:

Not surprisingly, the number is pumping the show’s U.K. debut. But, still a neat bit of real-life, meta promotional work.

(Via Bleeding Cool)

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