Harry Potter And The Half Blood Prince Transformers 2 Or Harry Potter Half-Blood Prince, Which One Will Gross More At The Box Office?

Transformers 2 or Harry Potter Half-Blood Prince, which one will gross more at the box office? - harry potter and the half blood prince

Transformers or Harry Potter and the Half-Blood Prince. What film is to be taken at the highest gross in its opening weekend? I think the ETS will do more.