honestly that matchup feels relatively even because staff pound has really good recovery so in most situations tp wont punish and flying grayson makes tps whiff, i haven't grinded it enough vs murk yet but i know some things.
1. nightwing has not muchhing in esrima going for him except for sprinkling it in as a mixup tool and as a mob
2. nightwing has to play in staff
3. nightwing gets jumped on for days in staff and is susceptible to pressure
4. once you land an orb with proper spacing on nightwing in staff, its hard for him to move, and you have to bait flying grayson
5.staff can be dashed forward and punished by mb orb for a full combo
6. i am pretty certian after a martian overheadprojectile thing in staff he is forced to guess between pill and another one
7.martian has stage advantages for sure.
Lex luthor
i know a few things, but need to grind this out with a very good lex, i think that extremely careful and well placed zoning can frustrate lex, but you need to build meter to coutner him, because mb orb and mb b3 are your best options, so you need a lot of pillars and other things.
his options are awful after an overhead projectile at full screen, meaning mb orb in front is a punish and he can't get out trait in that situation
without meter, you can throw an overhead projectile and throw an orb midscreen so they can't get away with a charge, and try to knock them with a pillar anywhere else so they can't get out trait
martians can f12 after a blocked corps charge in trait its quick enough to interruptt standing normals
if lex tries to zone in trait orb teleport preferably mb
turtling yourself into the corner might be a viable defensive option with an orb , probably not repeatedly
these 2 and flash are his toughest matchups, flash has a tough time dealing with martians trait and aerial mobility and ice clones
doomsday doesn't do enough damage to be a threat, it feels slightly in his favor