It won't be.
The collaboration with Sumo was announced last year, with a tagline/description "Co-operate. Outwit. Reclaim." It was also described as a multi-player game, being done by Sumo Newcastle, who previously did EVE: Valkyrie.
Who's the chick btw?
I see Robin, Little John, and Friar Tuck.... is it suppose to be Marion? Or a female Will Scarlet perhaps? The latter would explain the crossbow to some extent.