Marvel Legendary: Dr. Strange

This expansion is being relased in July, probably before the long awaited Marvel Legendary: Annihilation. As the title suggests it will revolve around Dr. Strange teaming up with heroes like The Ancient One, Clea, and the Vishanti, trying to defeat the dark arts. This will be a 100 card set.

As of now, little is known except the heroes, which has been confirmed:
The information below is now confirmed, and it looks like our speculations was 90% correct:

Heroes

• Doctor Strange
• Clea
• Brother Voodoo
• The Vishanti
• The Ancient One

Masterminds

• Nightmare
• Dormammu

Villains

• Lords of the Nether Realm
• The Fear Lords

Keywords

• Ritual Artifact
• Astral Plane
• Demonic Bargain

Schemes

• Claim Souls for Demons
• Cursed Pages of the Darkholde Tome
• Duels of Science and Magic
• War for the Dream Dimension

This expansion sure has potential, let's see what more info will emerge. And, as always, here's the offical description:

Hunting... Trapping... in the dream dimension, people are stalked by fear. Nightmare, an ageless demon who rules this realm is collecting dream energy from humans and placing the entire world under extradimensional threats from him and his villains. Team up with wondrous heroes and the Master of the Mystic Arts, Doctor Strange in this new Legendary expansion where you’ll race to power up your deck with the legendary defender before feeding the dream-stalking enemy with unstoppable power!

Doctor Strange returns to Legendary bringing more mystic heroes to join the vast pool of amazing super-heroes!