Pirates Of The Caribbean: On Stranger Tides will be locked in a battle for international box office supremacy this weekend with The Hangover Part II, X-Men: First Class and Kung Fu Panda 2.

Walt Disney Studios Motion Pictures International’s fourth entry in the Pirates canon has raced to $630.7m overseas, a massive feat in three weeks that has been the talk of the distribution community.

Warner Bros Pictures International’s Hangover comedy sequel stands at $175.2m and is expected to cross $200m by Sunday, despite there being no new territories scheduled.

Fox International’s X-Men: First Class and PPI/DreamWorks Animation’s Kung Fu Panda 2 both have a number of scheduled launches and will pose a threat.

X-Men has reached $74.6m heading into the second weekend and is set to arrive in around 14 territories including Germany, Italy and Japan. Water For Elephants is on $54.3m and Rio $327.2m.

Kung Fu Panda 2 has raced to $145.6m and opens in around 17 territories such as the UK, Mexico, Brazil, Argentina and Sweden.

JJ Abrams’ adventure tale Super 8 ventures into nine territories in the first wave day-and-date with North America, arriving in Australia, New Zealand, Hong Kong and Singapore. Thor stands at $258.3m.

UPI’s Fast And Furious 5 has amassed $371.2m. Meanwhile the animated feature Hop bounces into Russia, street dance story Honey 2 opens in the UK and horror film My Soul To Take arrives in Spain.