Dusk, Mysterio, and Invisible Woman need Concealed versions!

Not to mention 90% of the Gotham Knights and League of Assassins characters.

Well yes, but I imagine there won't be many unconcealed characters of them made from here on. Dusk and Mysterio are rather obscure-ish (Dusk especially) and many won't even bother with her.

Hello concealed Oracle.

Barbara Gordon<>Oracle
Character, Gotham Knights, 1
Atk-1
Def-2
Concealed.
While in play, in your hand, deck, or KO'd pile, Barbara Gordan has the affiliations of each character you control.
Activate->Draw a card. Use this power only during the combat phase.