Metastasi is a thrash metal act from the Paduan town of Piazzola sul Brenta, active since 2019. The band channels the aggressive spread suggested by their medical name into relentless thrash compositions.

Metatron is a melodic death and thrash metal band from Ilford, England, formed in 2014. They blend melodic death metal's harmonic sweep with thrash's velocity.

A death/thrash metal band formed in 1988 in Dampremy, Hainaut, Belgium, featuring a multi-piece lineup including vocalist Serge Natalizio and guitarist Dan Vandeplas. They recorded the demo 'Vision of Terror' in 1989, representing Wallonia's early extreme metal underground before the band's dissolution in the early 1990s.

Meteor is a heavy and thrash metal band from Le Poiré-sur-Vie, France, formed in 2015. They fuse classic heavy metal with thrash's aggressive momentum.

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Methedras is a thrash metal act from the Milan-Bergamo corridor in Lombardy, active since their formation and now well-established in the Italian thrash underground. The band draws their Tolkien-inspired name from the highest peak of the Misty Mountains, matching literary grandeur with aggressive thrash.

Method is a thrash/progressive metal band from Warsaw, Poland, formed in 2022. They craft intricate progressive compositions with technical ambition.

Metrakillator is a heavy and thrash metal band from Lleida, Spain, active since 2011, described as what might happen if Judas Priest and Accept had a love child. Their four releases from 2011's Fucking Metal through 2024's Paths of Domination showcase NWOBHM-rooted heavy thrash with classic metal conviction.

Metralla is a thrash metal band from Elche, Spain, active since 1991. As one of the longest-running Spanish thrash acts, they have delivered over three decades of unrelenting thrash metal aggression.