If you're missing the pre-order content, please reach out to support and they'll take a look into it for you. Who you contact will depend on what store you made the purchase from:
＊Accept as Solution button- If a post answers your question please let us and other players know by hitting this button.
＊Me Too button - 'Me Too' helps us track how many players are also experiencing that issue. Definitely make use of this button.
＊XP button - Say Kudos and help players 'Level Up' by giving them XP for helpful posts.