There's also Mickey's Birthday celebrations going on at MK, you can now meet Mickey and Minnie's in their birthday outfits, they have the new pop-up flagpole characters, the move it shake it dance party has been updated.
DAK - has a new dance party, Kevin should be out by then, its 25 years of Lion King
HS - is celebrating their 30th anniversary, they are going to having a new night show at the Chinese theatre in May, the Cars attraction should be open, and the new Incredibles area is open
Epcot - has a Wreck it Ralph meet and greet, and Illuminations will be ending this fall, so make sure to catch that before it gone forever