Real CV

Check the Bundle list and if it is listed there you will get 15% of US store price (use Enhanced Steam browser extension or SteamDB to check) Real CV.
If it's not listed you will get the full US price.

bump already answered though

games are retroactively added to that bundle list, so if you know it is in a bundle that is just new, it still will be added to that list retroactively to the time the bundle began.

otherwise answered.