Iron Man 2, directed by Jon Favreau and starring Robert Downey Jr., Gwyneth Paltrow, Mickey Rourke, and Scarlett Johansson is is slated to hit theaters on May 7, 2010. Just 2 weeks ago, we were treated to the first trailer for the film and now – apparently, some possibly spoileriffic details have been spotted in that very same Iron Man 2 Trailer.

If you don’t want any spoilers for this film, turn back now (you’ve been warned)

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Do you notice the insignia on Black Widow’s arm? (Click To Embiggen) That seems to be the insignia for S.H.I.E.L.D (Below) Apparently, Black Widow will become an agent of S.H.I.E.L.D. in Iron Man 2!

While it isn’t necessarily news that Black Widow would ‘eventually’ become an agent of S.H.I.E.L.D., I was assuming it would go in that direction in Iron Man 3. In the comics – Black Widow (Natalia Romanova, also known as Natasha Romanoff) grows up to serve as a femme fatale who attempts to seduce American defense contractor Tony Stark and inevitably confronts his superhero alter ego, Iron Man.

On her first mission in the United States, she and her partner Boris Turgenev were sent to America to assassinate Prof. Anton Vanko and Iron Man. The pair battled Iron Man, and Boris stole and wore the Crimson Dynamo suit. Vanko killed himself and Boris to save Iron Man, using an unstable experimental laser light pistol. Natasha later met Hawkeye and set him against Iron Man, and later helped Hawkeye battle Iron Man.

Natasha later attempted to defect from the Soviet Union, and was wounded by a KGB agent.The KGB brainwashed her, and with Power Man I and the Swordsman she battled the Avengers. Later, Romanova defected to the United States, and eventually joins the super-team the Avengers as a costumed superhero.

Later still, she began freelancing as an agent of the international espionage group S.H.I.E.L.D.