The latest shots actually show the problem with assuming a blanket color cast has been applied to a film, namely that they generally don’t exist. How well the assumption works depends on how consistently the color cast was applied across shots. In this case the shot of Indy and Marion escaping their tomb shows Indy with blue dust on his jacket for both regrades. The probable reason for this is, that the original photography was already pretty warm for this shot (it’s pretty warm for the 35mm LPP, which generally has much coolor tones than the bluray). As such it appears the shot was adjusted much more conservatively than the surrounding shots. Applying a single correction that on average removes a color cast will inevitably result in shots with overly cool tones, even when a conservative correction is applied. This simply is the nature of such “quick fix” methods.