The Shanghai International Film Festival unveiled the main competition lineup for its Golden Goblet Awards over the weekend, with all 12 titles bowing as world premieres — a first in the section’s history, according to the festival. The 28th edition runs June 12-21. Three of the main competition entries are Chinese-language productions, all from emerging directors. In total, 49 titles across five competitive sections are vying for prizes, drawn from a record submission pool of roughly 4,100 films from 125 countries and regions. The main competition spans 15 countries and territories. The Chinese-language entries are Zhong Kaifeng’s Atlantic Rhapsody and Liu Xiaoyang’s The Great Skull , both from the mainland, and Frankie Tam Gong-Yuen’s Secret in the Box , a mainland–Hong Kong co-production. Atlantic Rhapsody is said to blend drama, comedy and fantasy in a story about a supermarket stock clerk left sleepless and hearing voices after he accidentally cooks a shark.…