On 6/7/2019 at 1:38 AM, Gryffen88 said:

Are all the expansions from 1st ed usable in to 2ed? I have 4-5 of the “card expansions” but they are not in the option screen for adding them to MoM2. Am I missing something?

Only the figures and map tiles from 1st edition can be used with 2nd edition.
The expansions you mentioned don't contain any figures or map tiles.