Ra.One's teaser has several superhero film references

The first teaser of Ra.One is out. Even though it spans a mere 10 seconds, a smart pause-and-play will give details of several action scenes.

Here a pictorial comparison (slideshow)

While we get a glimpse of Shah Rukh's character G.One in its full glory, detailed close-ups reveal that the film will have heavy influences from desi and foreign superhero flicks like Krrish, Robot and Iron Man 2.