While Iron Man kick-started the summer season with a tremendous bang after taking nearly $100m across 56 territories in its opening weekend, a slew of Japanese films still managed to account for 7.7% of the total revenue of international films.

The top 39 films generated $183.5m from 37,648 screens for the period of May 2-4, with Paramount's Iron Man accounting for 53.7% of the total weekend revenue.

For the full international chart compiled by Len Klady, click here.

New entrant Partners: The Movie (Aibou) was the highest non-US opener this weekend, coming in at number four with a $5.6m take in its home territory. The film, based on the popular detective television drama, played on just 300 screens for a massive $18,684 screen average, the highest of the weekend. It is distributed by Toei and has generated nearly $9m in Japan, including previews.

Toho's Detective Conan: Full Score Of Fear was up 20% this weekend with a $3.2m take for a $14.5m total. The film played on 335 screens for a $9,547 screen average. And Toho's Shaolin Girl was also up 20% in the territory, taking $2.2m from 312 screens for a $7,046 screen average. The film boasts a $6.7m tally after two weekends on release. Sand Chronicles, another Toho release, was up 3% with a $1.2m take from 244 screens and now has a $4.3m cumulative total.

Three new French titles graced the top 30, led by Studio Canal's Deux Jours A Tuer which opened to number 12 with a $2.3m take. The drama, based on the novel by Francois d'Epenoux, played on 403 screens for a $5,631 screen average.

Gaumont's release 15 Ans Et Demi opened with a $1.3m take coming in at number 27. The comedy, directed by Francois Desagnat and Thomas Sorriaux, played on 343 screens for a $3,728 screen average. Meanwhile UGC Distribution's Le Grand Alibi was right behind with a $1.2m take on 262 screens for a $4,647 screen average.

A further three French holdovers continued their strong stride - Ca$h was down 40% with a $2.1m weekend take for a $6.5m total, Welcome To The Sticks was down just 25% with a $1.9m take in its tenth weekend for a $196m total to date, and Europa's Taken fell 31% with a $1.8m take for a $22.9m tally.

Korean entrant Beastie Boys opened within the top 20 with a $1.6m weekend take. The film, starring Ha Jeong-woo and Yoon Gye-sang, played on 277 screens in its home territory for a $5,786 screen average. It is distributed through Lotte Entertainment.

New Russian film Alexander: Nevsky Battle was in at number 24 with a $1.3m take on 378 screens in three territories. The film is released through Caroprokat.

And The Philippines' When The Love Begins entered the international arena this weekend, falling just shy of the $1m mark, playing on just 70 screens in its home territory for a $13,735 screen average. It is distributed through Star Cinema.

Elsewhere, Iron Man clearly showed its summer muscle, taking $98.6m from 7,588 screens for a $12,993 screen average while Sony's romantic comedy Made Of Honor opened at number three with a $6.4m take across 18 territories.