Here are the list of top 20 movies with the best legs (as of today). List based of Box Office Mojo, is accurate and generated by software. Only movies that opened above $50 million considered...
Movie Title
Studio
Opening
Total Gross
Multiplier
Avatar
Fox
$77,025,481
$749,766,139
9.7340
Star Wars: Episode I - The Phantom Menace
Fox
$64,820,970
$431,088,295
6.6504
Independence Day
Fox
$50,228,264
$306,169,268
6.0956
Frozen
BV
$67,391,326
$400,738,009
5.9464
The Lord of the Rings: The Two Towers
NL
$62,007,528
$339,789,881
5.4798
The Lord of the Rings: The Return of the King
NL
$72,629,713
$377,027,325
5.1911
Gravity
WB
$55,785,112
$274,092,705
4.9134
Men in Black
Sony
$51,068,455
$250,690,539
4.9089
Finding Nemo
BV
$70,251,710
$339,714,978
4.8357
How the Grinch Stole Christmas
Uni.
$55,082,330
$260,044,825
4.7210
The Hobbit: The Battle of the Five Armies
WB (NL)
$54,724,334
$255,119,788
4.6619
Inception
WB
$62,785,337
$292,576,195
4.6599
The Twilight Saga: Eclipse
Sum.
$64,832,191
$300,531,751
4.6355
Zootopia
BV
$75,063,401
$341,268,248
4.5464
Transformers
P/DW
$70,502,384
$319,246,193
4.5282
Despicable Me
Uni.
$56,397,125
$251,513,985
4.4597
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe
BV
$65,556,312
$291,710,957
4.4498
The Passion of the Christ
NM
$83,848,082
$370,274,604
4.4160
Despicable Me 2
Uni.
$83,517,315
$368,061,265
4.4070
King Kong
Uni.
$50,130,145
$218,080,025
4.3503