'Paranormal Activity' conjuring big B.O.

'Paranormal Activity 3'With $8 million in midnight grosses and a strong Friday performance, box office observers expect "Paranormal Activity 3" to earn a total of $22 million by Friday night and $44 million to $46 million for the weekend.Based on early Friday numbers, B.O. watchers also estimate that "Real Steel" will drop 30% from last weekend, coming in at $11 million-$11.5 million for its third frame. "The Three Musketeers" will most likely land somewhere in the $11 million range."Ides of March" may drop 35%, but observers note that the pic could show a bounce Saturday, ultimately earning in the $4.5 million to $5 million range over the frame."Dolphin Tale" is holding over well, with estimates pegging the pic at $4.7 million to $4.8 million."Martha Marcy May Marlene" had grossed about $35,000 as of Friday afternoon, with estimates putting the pic's weekend total at $100,000-$120,000 for its limited release."Johnny English Reborn" looked to gross around $1 million today, with total estimates for the pic around $3 million to $3.5 million over the frame. Contact Rachel Abrams at Rachel.Abrams@variety.com