Google is quite keen on keeping details about its upcoming Pixel phones well hidden but according to previous rumors, both should coming with an FHD+ display and 4GB of RAM. The Pixel 3a should hit 5.6 inches while the bigger one will sport a 6-inch screen.
The page in question has a big "G" logo "Help is on the way" tag line, promoting the mentioned movie. More importantly, it also says: "On May 7, something big is coming to the Pixel universe".
It includes the Pixel 3 + Marvel Studios‘ Avengers: Endgame video which you can check out below.
The May 7th date lines up with Google I/O 2019 event, where new Pixel smartphones could be the star of the show.