Will NetherRealm Studios enter the arcade video game business

No, Mortal Kombat and DC Universe are being sold to Tradewest and SNK Playmore respectively, ceasing operations in 2016. However, Tradewest will release Mortal Kombat Mega Mix and SNK Playmore will release Justice League Adventure, both games are going to be released worldwide for arcades, PCs, and home consoles in 2018.