Capcom teasing Onimusha 4?

Capcom have opened up a teaser site that appears to signal an announcement of {Onimusha 4}. The teaser site crosses over the years 1560, 1573 and 1582, the years in which the first three games took place and a final year 1600 suggests that it might be the year in which {Onimusha 4} is set.