Since Switch is bringing classic franchiese to it like Super Street Fighter II,Bomberman,Puyo and Tetris,Namco Museum. I think it's the perfect platform to bring back some older series from the dead.
Capom.
Final Fight
DarkStalkers
Mega Man legends
Breath of Fire
Mega twins
Strider II (sequel to the 2014 game)
Konami
Gradius
Castlevania
Zombies Ate My Neighbors (imagine with online co op)
Contra
Goemon
Tecmo
Ninja Gaiden 4
Remake of Ninja gaiden Trilogy NES 2.5D
SNK
Physical cart of the Neo Geo games.
MOSS
Caladrius sequel
Raiden V or VI
Cave
Akai Katana 2
Deathsmiles 1-2 port
Now to modern games.
Capcom
Marvel vs Capcom infinite
Monster Hunter 5
Neverrealm
Mortal Kombat XI
Arc System works
Guilty Gear
Namco
Tekken 7 or Tag 3
Platium
Bayonett 3
The Wonderful 102
SEGA
Virtua Fighter 6
Golden Axe Remake
Skies of Arcadia 2
Sega & Sonic Racing 3
Streets of Rage 4
Indies
Rocket league
Freedom Planet 2
Treachery in Beatdown City
Nintendo
F-Zero
Pokken 2
XCX port
TMS port
Mother 3
Custom Robo