pro.boxoffice.com (4-day):

X-Men: Apocalypse      Fox       $82,000,000       $82,000,000
Alice Through The Looking Glass      Disney       $61,000,000       $61,000,000
The Angry Birds Movie      Sony / Columbia      $23,500,000       $74,000,000
Captain America: Civil War      Disney      $22,100,000       $382,000,000
Neighbors 2: Sorority Rising      Universal      $12,000,000      $43,000,000
The Nice Guys      Warner Bros.      $8,000,000       $24,000,000
The Jungle Book (2016)      Disney      $7,750,000       $340,000,000
Money Monster      Sony / TriStar      $3,800,000       $33,600,000
Zootopia      Disney      $1,400,000       $336,500,000
The Darkness      High Top Releasing      $1,150,000       $10,200,000

guru (4-day):

apocalypse  93
alice  52
angry  28
captain  21

mojo:

THREE-DAY WEEKEND FORECAST

    X-Men: Apocalypse (4,150 theaters) - $67.41 M
    Alice Through the Looking Glass (3,763 theaters) - $40.26 M
    The Angry Birds Movie (3,932 theaters) - $21.37 M
    Captain America: Civil War (3,395 theaters) - $17.79 M
    Neighbors 2: Sorority Rising (3,416 theaters) - $11.77 M
    The Jungle Book (2,523 theaters) - $7.33 M
    The Nice Guys (2,865 theaters) - $6.39 M
    Money Monster (2,315 theaters) - $3.44 M
    Love & Friendship (493 theaters) - $2.61 M
    Zootopia (572 theaters) - $1.18 M

FOUR-DAY MEMORIAL DAY WEEKEND FORECAST

    X-Men: Apocalypse - $82.2 M
    Alice Through the Looking Glass - $52.03 M
    The Angry Birds Movie - $27.78 M
    Captain America: Civil War - $23.12 M
    Neighbors 2: Sorority Rising - $14.83 M
    The Jungle Book - $9.44 M
    The Nice Guys - $7.98 M
    Money Monster - $4.3 M
    Love & Friendship - $3.75 M
    Zootopia - $1.55 M