Dave Mustaine

In this Loud List, watch video clips from across four decades of interview featuring Megadeth's Dave Mustaine talking about Metallica.

Here are at least five things Dave Mustaine has said about Metallica, since he's mostly known for talking about them in a negative way.

This might start WWIII.

Ellefson said he was just toeing the company line in Megadeth.

'Those guys went through a lot of stuff themselves, and I did too.'

See what else he had to say.

The bassist recently revisited their demo for the first time in a decade.

He spoke about it in a new interview.

It was a bummer when Metallica fired Dave Mustaine, but then we wound up with two amazing thrash bands.

The bands last graced the stage together in 2011.