According to GiantFreakinRobot, a source told the website that a Donkey Kong solo film starring Seth Rogen as the large ape is currently in the works. This would make some sense since Rogen is already the voice of DK in the upcoming Mario Bros. movie.
The report however doesn't go into any more details and doesn't give much else for believability. So it comes down to how cynical you believe the movie industry is and if this reporter's source is legit.
Doesn't take much to convince me that the movie studio behind Minions also sees the most popular Nintendo characters as a potential gold mine. The Mario characters are already set up to have a ready-made cinematic universe.
How excited are you to watch a good half dozen films quickly tossed out into the box office as the entire idea slowly melts down into a series of Universal Studios rides and maybe, if we're really lucky, a Mario Bros. Movie The Game?