Is there is a way to make TC for Doom3/UT2004 and sell it legaly?? I remember it was done with Q1/Q2 and their mission packs. I am interested in legal way to do it and license fees. Thank you.

Personally i dont know but maybe if you could get in contct with the devastation team they might help though i dont know if they're still around devastation was a tc for ut2003 or made useing its engine try
www.devastationgame.co.uk
or try and find the websites for
arush entertainment, digitalostudios, groove, td interactive and novalogic They're on its box so maybe they might help.

If you want to use these engines for a commercial game you need a license from the engine developer. The best people to tell you what you can/can't do is the engine developer. Pick up the phone and call them and they will tell you wahat you can do and how much it will cost.

Thanks.