Source: The Digital Bits
On April 27th, you'll get the Dracula: The Legacy Collection, a 2-disc set which will include Dracula (1931), Dracula: Original Spanish Version and Dracula's Daughter on Disc One, with Son of Dracula and House of Dracula on Disc Two.
Also streeting on that day will be the Frankenstein: The Legacy Collection, another 2-disc set including Frankenstein, Bride of Frankenstein and Son of Frankenstein on Disc One, with Ghost of Frankenstein and House of Frankenstein on Disc Two.
Not done yet - you'll also see the 2-disc The Wolf Man: The Legacy Collection on 4/27, which will include The Wolf Man and Werewolf of London on Disc One, and Frankenstein Meets the Wolfman and She-Wolf of London on Disc Two. The SRP on each of these collections will be $26.98.
Finally, 4/27 will also see the release of The Monster Legacy Gift Set 6-disc set (SRP $79.98 ), which will include all three of the above Legacy collection discs, along with collectible Dracula, Frankenstein and Wolf Man figurines in a boxed set.
We don't know if the previously released titles are going to have the same extras as before, but we'll post any additional details regarding bonus material when it comes in. We do know that the packaging for these releases will be Digipaks with outer boxes, and that all of the films will be in their original full frame aspect ratios with audio in Dolby Digital 2.0 mono.