This week, Megan Fox steps away from the robots and steps into a corset for her latest film, Jonah Hex. It’s based on the DC Comics character of the same name and features Josh Brolin in the title role. Fox plays his love interest, a prostitute named Lilah who hides more than just money in her bra. She’s an old school bad ass. A 19th century girl from around the way girl who holds her own against John Malkovich and Michael Fassbender.

When the actress sat down at the press day for Hex she discussed everything from why she took the role, the difficulties of the shoot, and why she thinks fanboys will never be pleased with anything she does…

How do you go from running in the desert alongside Shia Labeouf and Optimus Prime to being Josh Brolin’s sidekick in the post-Civil War south? In Transformers her character was a stereotypical beauty with a wild streak but Fox stresses that she’s not playing the same person in Jonah Hex. This isn’t another stereotypical role.

Megan Fox: I don’t really feel like she’s that stereotypical. Perhaps you’re responding to the fact that I’m playing the character, that would sort of make it stereotypical but it’s something completely different than anything I’ve done and no one can accuse me of doing the same thing twice.

She also cleared up any speculation about Hex being a way for her to get away from those giant robots [in Transformers].

MF: I like working on action films or movies that are comic book based and that have this theme because they’re things that I watched and loved as a kid. It wasn’t really about getting away from the robots. I enjoyed making both films.

Her character Lilah is a prostitute who has gone through more than her fair share of men. She keeps them all at an emotional distance with the exception of Jonah Hex. In the film, they don’t delve deep into the character’s relationship so Fox and Brolin had to create their own backstory.

MF: Josh and I had a conversation about what their past relationship could have been. Why she would be so dedicated and so in love with someone who treated her the way that he did. We sort of came up with a backstory between the two of us of why. What things had gone on in the past and why she was so dedicated to him. So loyal.

When it came to the physicality of the film, Fox met her match with an old school prop. She had one of her most difficult days on set when she had to shoot an action scene that didn’t really go her way.

MF: There was one gun fight scene that stunts had been choreographing for a couple of weeks and I showed up and had minutes to get it down and rehearse it. It was really difficult for me to shoot the old style, gunslinger guns because I have tiny, little baby hands and they’re really large and really heavy. Just the physicality of actually having to pull that off was really difficult. It was more intricate.

Fox knows a thing or two about starring in a film that has a die hard fanbase and Jonah Hex is no different. The actress discussed how she deals with the pressure to please the fanboy community.

MF: I love them but it’s impossible to please the hardcore comic book fans because they’ll never be happy no matter what you do. I’m a Lord of the Rings fan and I’ll go on the forums and they’ll complain that Frodo was eating the lembas bread outside of Mordor instead of the Mines of Moria and they get really mad and Peter Jackson and company won like 30 something Oscars for that movie. You can’t focus completely on pleasing them because you’ll never win and then you’re excluding a whole other world of people who weren’t aware of the comic in the first place. I think you have to take some sort of liberties to make it into a live action film or it wouldn’t work.

If Jonah Hex works out, Fox wouldn’t mind doing her own comic movie based on Lilah and her own adventures separate from Hex.

MF: Of course, I mean if that was an opportunity that was presented to me absolutely. I’d love that.

Next on Fox’s agenda is a small indie drama that features her playing a genetic freak. She’s a beautiful woman who has a physical defect that makes her more animal than human.

MF: I have a movie with Mickey Rourke hopefully coming out this fall called Passion Play. It’s an independent right now and I’m really proud of that. It’s sort of a modern film noir. Mickey’s character is a trumpet player. He’s kind of down on his luck and he was a heroin addict. He comes across my character who’s a part of a traveling freak show. She has bird wings that sprouted out of her back when she went through puberty and it’s sort of this very bizarre, strange relationship that they have and it follows them. It’s very tragic.

Fox has been acting since she was a teenager but she just recently became a star. Once all the smoke settles she plans on tackling bigger and better challenges that have nothing to do with being in front of the camera. Even though directing is the next step actors usually take, Fox doesn’t think that job’s for her.

MF: Definitely not directing. I have absolutely no skill set that would suggest that I would be able to do something like that but possibly producing at some point if I were able to. I’d like to get into that.

Jonah Hex debuts in theaters nationwide on June 18, 2010.

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Are you interested in seeing Jonah Hex this weekend?