Thera are no ready to use command
but if your images are same size - you can easily prepare Action to make this effect
Just open Actions Panel start and start racording steps to prepare disposition like this
You can:
1. Create new document (destination size and resolution)
2. Place image and adjust size (it will be a smart object - good)
3. copy (ctrl+J) adjusted image and plece on second posiotion
4. repat steps to prepare your mountage
5. save as psd file
6. close document
7. stop recording
If your Action is ready try to use File>Automate>Batch command to start your action to adjust many pictures the same way