The band has been teasing this announce for a hot minute, first changing their social media profile images to a candle, then posting stories on a new band Instagram account.
The news also comes soon after Joe Jonas went ahead and dropped a major spoiler, telling KISS Breakfast that MCR were rehearsing next to them while they were in New York.
At the time, guitarist Frank Lero well and truly denied the claim - "I think they're trying to rebrand their band as a real rock band and they're trying to mention as many rock bands and trying to get, like, synonymous with other things" - but the slip up was too natural to be a lie and honestly, fans - and by "fans", I mean "I" - have been waiting for the confirmation ever since.
Now that we've got it, the internet has been flooded with excitement while we all clutch at our newly awakened 16-year-old hearts.
