Marvel is helping fans prepare for its Infinity Countdown event with an information guide called the Infinity Circuit, detailing who is in possession of all six Infinity Stones, along with how each stone works.

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Thus far, only three of the stones are held by members of the Marvel Universe. The resurrected Wolverine showed back up in September's Marvel Legacy one-shot with the Space Stone, the Guardians of the Galaxy's Drax quit the team to safeguard the building-sized Power Stone, and Captain Marvel discovered the Reality Stone is in another dimension, currently in the possession of that realm's Thanos and Nebula.

As for the remaining three stones, fans won't have to wait long to find out who holds each, with Infinity Countdown Prime #1 revealing where the Mind, Time and Soul Stones are. Back in December, Marvel teased who held each Infinity Stone with a cover depicting heroes and villains emerging out of the Infinity Gauntlet. Some of that information has already changed, with Captain Marvel no longer having the Reality Stone.

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Infinity Countdown #1, by writer Gerry Duggan and artist Aaron Kuder, with covers by Nick Bradshaw, arrives in March.