PG-13 that sucks! i hope its not! As for the whole 'homeworld' idea that sucks! i agree with some of the comments that the reason the film works, coz we dont no anything about the alien homeworld! Im not fussed wot those dude's put in d trailer! a teaser wud b gud! get the ppl excited! about the film! Im having doubts about these brothers! Well we will have 2 see wot happens!