Do I need to buy expansions in order? | Descent: Journeys in the Dark (Second Edition)

Reply: Descent: Journeys in the Dark (Second Edition):: General:: Re: Do I need to buy expansions in order?
from Gaming Palooza http://bit.ly/2trUCLj I'm going through all the hero classes, and I've fallen in love with a few choice ones. That bard especially seems like a great class! But is it better to buy the expansions in release order? I play via the app, so I don't want to break