Is there a specific time these are going on sale tomorrow?
Star Wars items are not on sale until September. No official word on time yet. This year they are making more of an effort to spread things out to try to reduce the traffic.
Pulse Premium Early Access Dates for SDCC stuff -
8/15 - My Little Pony
8/15 - Disney Princess
8/15 - Trolls
8/15 - Ugly Dolls
8/20 - Overwatch
8/27 - Power Rangers
8/29 - Marvel
9/03 - Transformers
9/09 - SDCC-box Black Series 6" Sith Trooper, 6" Kenner Fett, 3.75" Jedi Destiny Luke 3-Pack
(also, the Basic-box Black Series 6" Sith Trooper goes up for order on 9/04).