SilverWook said:

It's not dead, but Disney hasn't been releasing 3-D movies on Blu Ray in states for a while, not even a hugely popular thing like Frozen.

They didn't even bother with any 3-D theatrical engagements of Lucasfilm's Strange Magic as far as I can tell. And some scenes in the movie were clearly intended for the format.

Marvel thankfully does it own thing with regards to Blu Ray.

That explains why I haven't seen ONE copy in canada XD. Yeah my family wanted frozen in 3D so bad but could find it haha