Complex sentence: In May 2014, the official "Call of Duty" website was updated with a scrambled image that was due to be revealed on May 4,2014, but the trailer was leaked ahead of schedule on May 1 and then officially released soon after.
Split into simpler sentences: In May 2014, the official "Call of Duty" website was updated with a scrambled image that was due to be revealed on May 4,2014. However, the trailer was leaked ahead of schedule on May 1 and then officially released soon after.