You’ll need to page through the multi-page list to find the 3D Blu-Ray options but there are many. This is nice to see as 3D titles became harder to find for sale as the 3D TV market collapsed.
Source: 3d movies on blu-ray – Walmart.com
Also, 3D movie “pay for view” is available from 3dcrave.com whose 3D channel is available on Roku and the Amazon Fire.