The rumors are true. Robert Downey Jr. does make an appearance in this week's Marvel comic book adaptation The Incredible Hulk as Tony Stark, aka Iron Man. And an official TV spot starring Downey Jr. has suddenly popped up on the Internet, giving this surprise away.

Watch this exciting and revealing bit of video below!

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The Incredible Hulk opens this Friday the 13th!

Dont't forget to also check out: Iron Man 2