The Hangover:

In the trailer for the hangover, there is a voice over of the fiancé on the stag do, portraying his thoughts of the upcoming events and working out how he is going to find doug and travel back across the country to his wedding, his wife-to-be is talking over the phone as he is ‘playing it cool’ and re-assuring her that he will make it. At the beginning of the trailer there is a shot of the producers logo, the directors previous successful films are listed throughout such as old school.

http://www.cinemagia.ro/trailer/marea-mahmureala-the-hangover-3185/

 HUGO: http://www.imdb.com/title/tt0970179/                            To begin with theres  bbfc British Boar Film Classification)
rating, closely followed by the paramount pictures logo and the GK films production logos to show the producers of the film and the rating which indicates the target audience, for example films with a rating of 18 tend to be horrors, with gory, explicit and/or violent scenes within, also films with lots of connotations to sexual behaviour which isnt suitable for the eyes of people who are under the age of 18.

The title is in huge font with moving letters to focus all the viewers attention on the golden font with a bright white light shining onto it to almost highlight it

then theres a montage of clips such as one of the little boy hugo introducing himself to an elderly gent, to show

his importance within the production and to introduce him as hugo, the little innocent boy with a courageous side to him, going through all the up coming adventures to find the key to his fathers detailed invention, to fulfil his childhood dreams and do his father proud.

Hoodwinked:
http://www.imdb.com/title/tt0443536/

the teaser trailer to Hoodwinked begins with a bbfc rating of suitable for all audiences, closely followed by a fade to black, then  sound bridge from black showing "The Weinstein Company" logo and then the "Kanbar Entertainment" logo, throughout the trailer there is lots of fast paced, action shots of little red traveling through the forest and hiding from the wolf, the trailer doesnt give too much of the story away, so the only way the viewer can find out what happens is to pay to watch the movie in the cinemas when its released.
the lsat thing the viewer see's at the end of the trailer is the release period, "This Christmas" so the viewer remember

when to go to the cinema to watch the movie.
 

 

Despicable Me:
http://www.imdb.com/title/tt1323594/
The beginning of the Despicable Me trailer begins with the bbfc rating of all ages (U) then its followed by a scene to introduce Gru the grumpy impatient villain who freezes everyone in the cafe because he doesnt feel the need to have to wait for a coffee, throughout we see how his and the three girls friendship brings out the heart and youth within the previous global villanous mastermind, the trailer shows the viewer an introcuction to his arch-enemy

the Universal Pictures Studio logo shows the viewer that an established, successful production company/ studio has helped create this film so the

 special effects should be of a high standard and the animations will be 

realistic and professonal. 

at the end of the trailer, the release date is shown to inform the viewer when they can go to watch the film, the film is on most screens in 3D, therefore the "3D" words are the in the largest font to wngage the viewers to not even think about watching the 2 dimentional released version.

there is also a shot of the actors taking part, which shows the pride the impersonators have of the role they play in the movie's characters voices created.