So if you take the legendaries out of XY that you can get, the remaining legendaries left shown in Coro Coro or already announced as obtainable are:
Suicune
Raikou
Entei
Regirock
Regice
Registeel
Latias
Latios
Kyogre
Groudon
Rayquaza
Deoxys
Uxie
Mesprit
Azelf
Heatran
Regigigas
Cresselia
Cobalion
Terrakion
Virizion
Tornadus
Thundurus
Landorus
So nothing announced for Mew, Lugia, Ho-oh, Celebi, Jirachi, Dialga, Palkia, Giratina, Phione, Manaphy, Darkrai, Shaymin, Arceus, Victini, Reshiram, Zekrom, Kyurem, Keldeo, Meloetta or Genesect? I thought I read something months ago that all legends were obtainable between XY and ORAS?