No, they don't. But you can always upgrade to Captain level by adding to your pledge a purchase equal to the difference between your pledge and the captain level pledge. To know more you can also read the GET A PROMOTION! section.
Our miniatures are 100% compatible with the other WW II lines (Warlord Games-Bolt Action, Wargames Factory) and with those of Dust Tactics. You may just need to change the base with a compatible one, and then you can use those miniatures in your War of Wonders games.