Mark Ruffalo has revealed that he has gone back to early Avengers comic whilst preparing to star as the Hulk.
The actor will join Robert Downey Jr, Chris Hemsworth, Chris Evans and Jeremy Renner as he Marvel heroes come to together for the Avengers.
Speaking to IGN the actor said: You dust off. You go back. I think you go right back to the beginning and dust off your first issue of Avengers and I’ve been doing that.
"I’ve been watching the 100 hours of Bill Bixby’s Hulk. And I’ve been really thinking about the inception, the original motivation of that character and why they came up with that character. He’s a cross between Doctor Jekyll and Mr. Hyde and Frankenstein.
"I’m finding a lot of stuff there. And I’m actually going to be physically playing the Hulk. No other actor’s ever done that.
"So I’ve been getting into Tai Chi and Pilates and doing a lot of movement stuff. I don’t know what I want to do with it exactly, but I’ve been working physically to bring the leviathan alive.
The Avengers will begin filming next year for a 2012 release.
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