The Loews website states there may be bunk beds. I hadn't heard of them either. There are a few reports about them in tripadvisor as well.
Despicable Me Kids' Suites
Minions, unite! We invite you to experience life as a Minion in our Despicable Me Kids’ Suites, designed to capture the excitement and playfulness of Gru’s Laboratory. Despicable Me Kids’ Suites let mom and dad have a little privacy, while the kids can have as much fun as Minionly possible.
Suite includes:
- 1 King Bed in Master Bedroom
- 2 Twin Beds or a Bunk Bed in separate Kids' Room
- Kids’ Room includes small table-and-chair set, separate closet and TV
- Custom Despicable Me Minion decor
- Rooms connected via a door; single entrance via adults' room
- 650–675 feet
- Occupancy: 4 maximum (cribs/rollaways available upon request. Charges may apply.)