I watched the movie before I even realized it exists as a graphic novel. The two differ extremely. The movie took the main character Tom, a few aspects of plot, and moved in an entirely different direction. I'm glad for this, because it was more believable--I don't think it would've translated well into a film otherwise. For example, when someone reveals to his wife that he has murdered people and lied about his entire past for over a decade, I wouldn't expect her to accept it without the slightest feeling of betrayal as she did in the graphic novel. The movie shows a more realistic struggle within the family to cope with the contrast between the everyday family man and his violent past. As someone who watched the movie first, I was interested in Tom's prior life--the mystery of which is completely revealed in the graphic novel. However, the character's one time fling with violence in his past makes it a lot less realistic that he would be skilled enough to kill experienced mobsters as he does as an adult. In the film, his past is left vague, and it simply works better, and I won't even pretend that I didn't naturally find myself comparing the two throughout reading it. That isn't to say I didn't enjoy reading the graphic novel, but it doesn't have the same amount of depth as its movie counterpart. I don't think it would have held my interest as much without my pre-existing affinity for the movie-adapted character Tom.