Do I need Expansion #2 to play Expansion #3 scenarios?

Question

Accepted Answer

For most, yes: Expansion #3 uses the red Roman blocks from #2, so red-versus-gray Roman scenarios and the two-board Epic scenarios need it. Players disagree on how many regular scenarios work with only the base set and proxies.

Commands & Colors: Ancients

Do I need Expansion #2 to play Expansion #3 scenarios?