Kojima just tweeted "March." a picture of a calendar with the current date. Is it possible he is announcing something this month?

https://twitter.com/HIDEO_KOJIMA_EN/status/1234328483561496577

This is a few days after he tweeted that pic with him holding a Pyramid pencil and "Next Week" on the note pad and Masahiro Ito tweeting out "RIP Pyramid Head"