Bandai Namco Entertainment recently posted a new trailer for Gundam Versus on their official Youtube channel.  The latest trailer features a look at the playable mobile suits in the game.
https://youtu.be/YCBu0056KFk
The full list of playable mobile suits includes:
- Exia
- Dynames
- Kyrios
- Gundam Throne Eins
- Gundam Throne Zwei
- Gundam Throne Drei
- Tieren Taozi
- GN-X
- Graham’s Union Flag Custom
- Strike Gundam
- Freedom Gundam
- Blitz Gundam
- Duel Gundam Assault Shroud
- Forbidden Gundam
- Providence Gundam
- Barbatos
- Kimaris Trooper
- Gundam Ez8
- Gouf Custom
- Gundam Ground Type
- Full Armor Gundam
- Psycho Zaku
- Gundam GP01Fb
- Gundam GP02
- Gundam GP03S
- GM Cannon II
- GM Custom
- Slave Wraith
- Vincent’s Gelgoog High Mobility Type
- Zeta Gundam
- Messala
- The-O
- Gundam Mk-II
- Hyaku-Shiki
- Rick Dias
- Methuss
- Marasai
- Gabthley
- Nemo
- Hizack
- Wing Gundam Zero
- Gundam Epyon
- Gundam Deathscythe H
- Gundam Heavyarms Custom
- Altron Gundam
- Gundam Sandrock Custom
- Tallgeese
- Tallgeese II
- Gundam
- Char’s Gelgoog
- Zeong
- Gyan
- Doan’s Zaku II
- Char’s Zaku II
- Gouf
- Guncannon
- Guntank
- Dom
- G-Self
- G-Arcane (Full Dress)
- Mask’s Mack Knife
- Turn A Gundam
- Kapool
- Gold SUMO
- Silver SUMO
- Corin’s Kapool
- Turn X
- V2 Gundam
- Gottrlatan
- Gun EZ
- Gundam F91
- Vigna-Ghina
- Berga-Giros
- Crossbone Gundam X1 Kai
- Crossbone Gundam X2 Kai
- Crossbone Gundam X3
- Crossbone Gundam X1 Full Cloth
- Unicorn Gundam
- Sinanju
- Kshatriya
- ReZEL
- Jesta
- Delta Plus
- Banshee
- ZZ Gundam
- Qubeley
- Full Armor ZZ Gundam
- Qubeley Mk-II
- Nu Gundam
- Sazabi
- Re-GZ
- Jagd Doga
- Hi-Nu Gundam
Gundam Versus  will be released for the Playstation 4 on July 6 in Japan and will be released in the West later this Fall.
Source: Bandai Namco Entertainment, ANN