eBay sellers occasionally list "CD key only" (no disc). Be wary: If the key was used to register on the original EA servers, it may be permanently banned from community multiplayer.
Buying the game from a retail store or a second-hand shop. The CD key is usually printed on a sticker on the game box or included on a leaflet. cd key for battle for middle earth 2
The BFME community has largely agreed that EA has abandoned the game. The most trusted source is (home of the BFME2 patch team). eBay sellers occasionally list "CD key only" (no disc)