Important Watchmen Question?

Alright, heres the deal... i am a big comic superhero dork. ive seen every spiderman, batman, x-men movie you name it ive seen it, and I really wanted to see Watchmen with my friends, but its rated r and im only 14. i plan on going to see it with my dad this weekend and he knows ive seen r rated movies before and i dont think he cares a lot. Its not that big of a deal, but i looked at the ratings for it and the last two i believe were uality and . he knows im very mature and waht not but i just wanted to know (from ppl who saw the premeir, bootleg watchers, etc) does Watchmen have a load of in it? im not goina be in there chuckling and leaning in my seat or anything but we saw Tropic Thunder and he didnt take that movie to his liking (it dint help that i laughed my off). So i just want some help so i dont have to fret about it in the theatre. Please and thank you.