Alibaba Group Holding Ltd showed interest in partnering with Sony Corp on movie franchises including Ghostbusters when billionaire Jack Ma met with Hollywood executives in October, e-mails revealed by hackers show.

Asia's largest Internet company also considered investing in Pixels, a 3-D computer-animated comedy starring Adam Sandler, and plans to produce around 10 movies a year, according to messages to Michael Lynton, chief executive officer of Sony Pictures Entertainment Inc.

Sony was the only studio where Ma met executives in person during Alibaba's whirlwind tour of Hollywood, with actor Jet Li and others in his team of advisers talking to production houses to learn about co-investment in movies, the e-mails show.