Are we sure it'll be rated R? R rated movies make far less money. Granted, TDK has created a darker atmosphere for comic book films but this might be going too far too early. I could see WB forcing them to tone it down to PG-13, because they'll get so much more money that way.
Top Ten R-Rated Openings
1 The Matrix Reloaded WB $91,774,413
2 The Passion of the Christ NM $83,848,082
3 300 WB $70,885,301
4 Hannibal MGM $58,003,121
5 Sex and the City WB (NL) $57,038,404
6 8 Mile Uni. $51,240,555
7 Wanted Uni. $50,927,085
8 The Matrix Revolutions WB $48,475,154
9 Troy WB $46,865,412
10 Bad Boys II Sony $46,522,560
Top Grossing R-Rated Films
1 12 The Passion of the Christ NM $370,782,930
2 36 The Matrix Reloaded WB $281,576,461
3 56 Beverly Hills Cop Par. $234,760,478
4 60 The Exorcist WB $232,671,011
5 74 Saving Private Ryan DW $216,540,909
6 79 300 WB $210,614,939
7 81 Wedding Crashers NL $209,255,921
8 86 Terminator 2: Judgment Day TriS $204,843,345
9 99 Gladiator DW $187,705,427
10 118 Pretty Woman BV $178,406,268
Comic Book Adaptations
8 X-Men: The Last Stand Fox $234,362,462 3
9 X2: X-Men United Fox $214,949,694
10 300 WB $210,614,939 3
11 Batman Begins WB $205,343,774
12 Superman Returns WB $200,081,192