Halo 3 Legendary on MCC Help (Closed)

I need a buddy to help beat Halo 3 on legendary. The first player is with me, but the player with me can also invite friends, and if you can, tell me. My gamertag is WarfareKiller41.
EDIT: The campaign on legendary is completed.

Still need help?

> 2533274828896956;2:
> Still need help?

Me and 2 other people already started.