D&D 5E I realize this is just my inner eleven-year-old talking...

[BoldItalic]

This you can already do.
Hasbro snagged the Disney Princess license from Mattel awhile back (last year). The 1st of the Hasbro version of the line began hitting shelves Feb.1st.

Oops. Shows how up to date I am with the grandkids' toys

Does this mean that "Princess Dizni" can appear as an NPC in a DMsGuild module?

 

[Storyteller Hero]

Masters of the Universe could also cross over as a Magic the Gathering setting if the companies merge.

Better yet, we could have MtG and MotU collide with DnD in a multiversal crisis of epic proportions, bringing together Elminster, Skeletor, and Serra for a massive stakes battle for the fate of all realities.