Alice in Wonderland 2 doesn't face any direct competition in its Memorial Day weekend release date, although it comes between an Untitled Marvel Project (May 6, 2016) and The Amazing Spider-Man 3 (June 10, 2016). Johnny Depp and Mia Wasikowska are slated to reprise their roles from 2010's Alice in Wonderland as The Mad Hatter and Alice, although no other cast members have been confirmed. James Bobin is directing from a screenplay by Linda Woolverton, although it isn't clear when production will begin.
The Jungle Book is currently the only movie set for release in the entire month of October 2015. Jon Favreau is directing this live-action adaptation of the Rudyard Kipling novel, from a screenplay by Justin Marks. No cast members have been attached yet.