It follows the release of previous singles 'You're So Hideous' and 'Insides Out'.
It follows previous single 'You're So Hideous' which was released last month.
'Horrifier' will be released in October - read on for more details.
The dates mark Wednesday 13's first UK tour in over five years - read on for more details.
The unique online event will see performances from Sabaton, Avatar, TesseracT and more.
'The Hearse' is taken from Wednesday 13's latest album, 'Necrophaze'.
37 more bands have been confirmed for Download Festival 2020.