Metallica vs iron maiden

Without any doubt Iron Maiden, they are the original kings of heavy metal. However, Iron Maiden are a part of NWOB bands (new wave of british rock), so they never really did well in USA, where Metallica did very well. However, Iron Maiden is a class act, and in fact they have been a source of inspiration for many other metal bands. They have however, done more well with cd sales, rather than concerts, because of their style of presentation which is controversial, and many people consider it anti - religion and meant only for adults.

Iron Maiden is a no-brainer. Iron Maiden is one of the major influence of Metallica. No Maiden no Metallica