Short rundown -
EA
2018 sports titles, Battlefield 2018, one or two EA Original titles, gameplay video for Anthem.
Microsoft
Crackdown 3 re-reveal and release date, Forza Horizon 4 gameplay reveal and release date, Metro Exodus gameplay video and 2019 release window, Cyberpunk 2077 short gameplay trailer, Halo and Gears spinoffs, Ori 2 gameplay and March 2019 release date.
Bethesda
Doom 2 gameplay video and May 2019 release date, massive 30 minute reveal of Starfield with a November 20th 2018 release date
Ubisoft
Assassin's Creed Origins new expansion pass, Far Cry 5 DLC gameplay and full release dates, Splinter Cell reveal, Division 2 reveal and 2020 release year, Watch Dogs 3 gameplay reveal and early 2019 release date, Just Dance segment, The Crew 2 final push, Starlink gameplay video, Skull and Bones gameplay video...both being 2019.
Sony
Spider Man gameplay video and shows off PS4 base/pro bundles, Days Gone story trailer, gameplay video and February 2019 release date, Ghost of Tsushima gameplay reveal, TLOUP2 gameplay reveal, Death Stranding gameplay reveal, Activision trilogy of Destiny 2 expansion/COD/Spyro, DMC 5 reveal and timed exclusive for PS4...early 2019, Dreams gameplay video and Beta release date summer 2018, Shadows Die Twice gameplay revealed to be a new Tenchu game, Lost Soul Aside gameplay video and 2019 release window, Left Alive gameplay video, RDR 2 gameplay premiere and shows off PS4 base/pro bundles, price drop for base to $200 and $300 for pro but could be held for late October, Kingdom Hearts 3 gameplay video and 2019 release date and a short gameplay video for DQ 11.
Nintendo
Pokémon gameplay video, October 2018 release date, Yoshi gameplay 2018, Metroid Prime gameplay 2019, Octopath Traveler final push, Mario Tennis final push, SM3DW and NSMLB port announcements and fall 2018, SSB Switch September, online info...nothing for Virtual Console as I think Nintendo holds this for a "slow period" down the line.
Overall, im expecting good or better from all the publishers except for EA because well, it's EA. LOL.