Left-back Henry appeared close to an England call-up when he suffered a serious knee injury in September 2023.
Manager Thomas Frank confirmed he will start against Championship strugglers Plymouth.
"Rico will be involved in the game tomorrow; not only will he be involved, he will start," Frank told reporters.
"That's a big boost for him, us and the fans. He has been good in training; very aggressive as he always is. He played an in-house game and also a friendly with the B team.
"In general, he's looked good and ready to start. If he wasn't good enough, we wouldn't start him."
