Brad Pitt’s star power in a mid-budget survival thriller directed by David Ayer anchors trader expectations for “Heart of the Beast,” yet pre-release tracking of $15–25 million and direct competition from Universal’s “Forgotten Island” plus the second weekend of Sony’s “Resident Evil” re-adaptation keep the market-implied odds clustered in the 14–20 million range. The man-and-his-dog premise draws comparisons to “Dog” and Ayer’s recent mid-teens openers like “The Beekeeper,” tempering upside versus Pitt’s stronger results in “F1” or “Bullet Train.” With no reviews or final presales data available nine days before the September 25 wide release, the bunched probabilities reflect uncertainty over whether the Alaskan wilderness hook and emotional canine bond can generate solid word-of-mouth or deliver only a serviceable debut.