There have been issues with the website a number of times
https://forums.comodo.com/t/firewall-no-longer-part-of-cis-free/318881/2
https://forums.comodo.com/t/links-to-free-cis-are-missing-on-comodos-website/319289/36
But as always, download links are accessible through the Forums. Annoying, yes but a quick internet search take you to the various product pages. My guess is that we’ll see website updates when the next version comes out.