Marak is a blackened death metal/grindcore band from Saint Petersburg, Russia, formed in 2012. They forge extreme metal at the fierce intersection of black and death metal.

MarAmon is a melodic black metal (early); melodic death metal (later) band from Lindesberg, Sweden, formed in 2022. They forge extreme metal at the fierce intersection of black and death metal.

Marble Carrion is a death metal band from the Novosibirsk area of Russia, active since at least 2009. Their 2022 album 'ULTRARMERCY' is described as 'a dystopia based on reality,' exploring war, dictatorship, and political manipulation through brutal death metal with thrash and black metal elements across five releases spanning over a decade.

March of the Hordes is a death metal/crust band from the Slavonice/Dačice area of Czech Republic, established in autumn 2009. Their discography includes split releases with Disbeatless and Escape the Flesh via Lavadome Productions, placing them firmly in the underground nexus of extreme metal and crust punk.

Formed in Mechelen in 2008 with an explicit mission to revive the early 1990s doom-death sound, Marche Funèbre have since released ten albums and performed over 180 concerts across more than 15 countries. Key releases including Into the Arms of Darkness, Roots of Grief, and the more recent Echoes From Beyond trace the band's growth from underground act to one of Belgium's most prolific doom-death exports.

A stoner metal and rock act from Debrecen, Hungary's second largest city, Blackhoney has been delivering fuzz-laden grooves since 2013. The band brings the hazy energy of stoner rock to the eastern Hungarian plains.

Marckwisen is a melodic death metal act from Bassano del Grappa in the Veneto, formed in 2026. The band represents the newest generation of Italian melodeath, bringing Scandinavian-influenced harmonies to the foothills of the Alps.

Mardrøm is an atmospheric post-black metal band from Halle (Saale), Germany, formed in 2023, whose 2026 debut "Nebelwanderer" combines fast melodic guitars with calm, doom-laden passages. Their DIY approach to both recording and release reflects the independent spirit of the eastern German underground.

Mare Infinitum is a atmospheric doom/death metal band from Moscow, Russia, formed in 2011. They craft crushing doom-death compositions steeped in oppressive heaviness.