Here is a take on CaptainFaraday’s using some of the other ideas posted, and just removing Snoke entirely (like TLJ does):

Chaos reigns! The New Republic
has been decimated. In the wake of
this terrible disaster, the treacherous
FIRST ORDER races to seize control
of the galaxy’s central star systems.

General Leia Organa’s RESISTANCE is
desperate for the return of Jedi Master
Luke Skywalker, certain that he can quell
the rising threat and restore a spark of
hope to their fight.

But the Resistance has been exposed.
As the First Order speeds toward
the rebel base, the brave heroes
mount a desperate escape…