Square Enix announced their first E3 press conference a while ago, and the slot they chose was the one traditionally being used by Nintendo. When Nintendo announced its own show, it was the same day as always resulting in Nintendo's and Square Enix' conferences being at the exact same time.
Square Enix usually has its games showcased during the conferences of Microsoft and Sony but this year it appears that they are holding their own conference. The company certainly has quite a selection of huge titles to demonstrate, some of which could benefit immensely from both the time and focus in order to do them justice.
Deus Ex: Mankind Divided, which was introduced with a magnificent cinematic trailer, had very little information revealed about it so far, and a complete lack of gameplay footage. Kingdom Hearts 3, similarly made no appearances for some time, and after the transition of the game to the Unreal Engine 4, fans have been eager to see Kingdom Hearts in action. Final Fantasy XV will surely make the show, as will the hugely anticipated Just Cause 3.
Rise of the Tomb Raider is another huge title coming from Square Enix, but it is certain that Microsoft will have the title showcased in their own press conference, as it is one of their biggest exclusives of the year. It is quite possible that Square Enix will have a few surprise announcements as well, so we are certainly in for a treat, as E3 2015 is shaping up to be one very incredibly exciting event with many announcements coming from both Sony and Microsoft. Nintendo is returning to host a press conference after being absent for some time. Both Bethesda and Square Enix are holding their first press conferences, and Ubisoft will surely have a ton of great announcements as usual, as well as demonstrations of Assassin's Creed Syndicate, The Division, and Rainbow Six Siege.
We will bring you any new information on Square Enix, Deus Ex and other projects, as well as any news about E3 2015 as soon as it becomes available. Be sure to check out our Deus Ex: Mankind Divided and Just Cause 3 coverage for more information on the titles.