Smallville :

Lois manages to save Chloe from a carjacker, who turns out to be local mobster, Bruno Mannheim. Once she has performed this heroic act she decides to turn herself into the superhero persona of 'Stiletto', which she decides to use to get closer to the mysterious Red-Blue Blur and convince him to meet up with herself in her own guise.

Lois asks Jimmy to take photos of her as Stiletto, but Bruno is out for revenge and steals the photographs. Clark soon works out that Stiletto is actually Lois, when she tries to find her in an effort to track down Chloe's computer that contains files on Oliver and his team. He tells her off for her subterfuge, but manages to find the laptop. But soon he is incapacitated by kryptonite. Lois arrives just in time to save the day and show her heroic side once again. Once safe, Lois is contacted by the Red-Blue Blur who itells her that she doesn't need to fake stories to be a good journalist, and when he is ready to reveal himself she will be the first to know.