Touchdown for ''Invincible''
Joshua Rich's weekend wrap-up: Marky Mark is back in play with ''Invincible,'' ''Little Miss Sunshine'' holds on tight, and frat boys come in small numbers to cheer on ''Beerfest''
On a slow weekend, Wahlberg looks ''Invincible''
Joshua Rich's prediction: The heart-tugger will be No. 1, but it's a victory against the second division as summer turns to fall