It's possible they're just placeholders, but just as likely they provide a first look at next-gen software packaging.
Earlier this week, EA confirmed a Battlefield 4 release date of October 29 in US and November 1 in the UK on Xbox 360, PS3 and PC. Next-gen versions will be out "this holiday", the publisher said.
Speaking to CVG during a wide-ranging Battlefield 4 interview conducted at GDC in March, series executive producer Patrick Bach said DICE is "more confident with multiplayer than we are with single-player, so we need to step up our game".
For more on the shooter, check out this Battlefield 4 preview.