Brad Pitt’s star power and the survival thriller’s man-and-his-dog premise anchor trader expectations for *Heart of the Beast*, though pre-release tracking keeps outcomes tightly bunched around the $14–23 million range. Paramount’s September 25 wide release, directed by David Ayer and reuniting the pair after *Fury*, is projected for a $15–25 million domestic opening per Boxoffice Pro’s early September forecast. Comparable titles like *Dog* and Ayer’s recent mid-teens performers set a modest baseline, while Pitt’s stronger *F1* ($57M) and *Bullet Train* ($30M) results highlight upside potential if buzz builds. The weekend faces direct competition from Universal’s *Forgotten Island* and the second frame of Sony’s *Resident Evil* re-adaptation, diluting visibility. With no reviews or final presale data yet, market-implied probabilities cluster around the $14–23M range, reflecting uncertainty over whether the Alaskan wilderness action and canine emotional hook can drive strong word-of-mouth or merely deliver a serviceable debut. The film’s San Sebastián premiere on September 22 offers the next key catalyst before opening.