Wonder if you could do these things in the toybox.

I was wondering when building a toy box can you make title screens and then make them transition to the toy box game.
I was also wondering how does people make a block art cut sence.

There's a few ways for block art, I google block art or 8bit images.

Not sure what you mean by title screens? Like one that says press start etc?

What by title screen for example when disney infinity loads up it shows the 3 properties logo and dives right into the game.

The text creator on the 'banner' setting is very handy for this type of thing. Using cameras pointed at a plain background really makes the text stand out better.

With cameras you can do this but your logos would need to be made out of blocks.

I'm with mightygitis on this being the best way to do that. You could make the block art using the replayed so that when it goes the memory meter will be less too making the gameplay run more smoothly