Where is the Soul Stone?
That's what Marvel fans wonder as 'Infinity War' looms.
The Soul Stone is the sixth and final Infinity Stone.
It has yet to be seen in the Marvel Cinematic Universe.
James Gunn, the Guardians of the Galaxy director, revealed where the stone isn't.
A fan asked him if the Soul Stones were with Adam Warlock.
Gunn confirmed it's not.
