There's video evidence attesting to the fact that at least Marcus and Dom will be playable characters in Capcom's upcoming Lost Planet 2... See for yourself!
TheHolyFragger - 1/27/2010
TriForce Releases Final Version Of 1:1 Scale 'Gears of War 2' Lancer Assault Rifle Replica. Sculpted By Erick Sosa, and Painted By Paul Komoda.
TheHolyFragger - 9/23/2009
Largest expansion for GoW 2 yet, including seven new multiplayer maps, 13 new Achievements worth 325 additional Gamerscore and the new “Road to Ruin” campaign chapter.
TheHolyFragger - 7/28/2009