Why was Merry at the last battle?

[Vaine]

Originally Posted by thewichtking

ok in the rotk movie why is Merry at the last battle? i mean he was at the house of healers because he had stabbed the witch king so he got that black death stuff or what you-may-call it ooh and i don't remember Aragorn killing the mouth of sauron whats with that?

Because it was in the manusscript.

Peter Jackson changed alot of things that was or wasn't in the book, and thats usually the way the story goes with movies based on books.