Ended up on the last page I viewed in this thread, sorry for the necro replies.
Makes me wonder... Has Skullgirls ever went on sale?
Nope. Been eagerly waiting for a sale for centuries. Ended up getting it for sale on Steam in the meantime and for free during my PS+ trial. I think they're buddy-buddy with Sony at this point and have left the 360 version to die. (Free with PS+, Sony exclusivity on Second Encore, PS3 version getting DLC earlier than 360 version, etc.).
At some point since I bought it on both ecosystems and wouldn't have paid full price for it.
I'm not sure if there was a Rewards promo for it, but unless there was, that's exactly what you did. I don't remember a sale and XBLDB doesn't have a sale recorded either.
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