The British/ European edition came with a sheet with a DLC code for The Fighting Chance Pack, a manual, and an advertisement for the season pass.
Games pre-ordered from Amazon came with a soundtrack CD.
4. Front of manual
5. Back of manual
6. Front of DLC sheet (censored code)
7. Back of DLC sheet
8. Front of advertisement
9. Back of advertisement
Thanks to MobyGames (images 1-9).