If you’re loading an image named “image” the search paths are likely to be the same as they’ve always been:
iPhone:
image@2x~iphone.png (retina only)
image@2x.png (retina only)
image~iphone.png
image.png
iPad:image@2x~ipad.png (retina only)
image@2x.png (retina only)
image~ipad.png
image.png