The summer movie season officially kicks off this weekend with the opening of what's to be expected as one of this year's biggest blockbusters...'Thor'.  Also, arriving this weekend are 'Something Borrowed' and 'Jumping the Broom'

Check out the previews after the jump.

Thor - rated PG-13 stars Chris Hemsworth, Anthony Hopkins, Natalie Portman, Kat Dennings and Rene Russo

Something Borrowed - rated PG-13 stars Ginnifer Goodwin, Kate Hudson, John Krassinski and Colin Egglesfield

Jumping The Broom - rated PG-13 stars Angela Bassett and Paula Patton