I'm sure that we'll have all 56 figures by the end of July. The known remaining assortments include these figures:
Wave 4 Col 2 - Tarkin, Ask Aak & the Mon Calamari Senator (45 - 47)
Wave 5 Col 1 - R2, Baccara & Mustafar Anakin (48 - 50)
Wave 5 Col 2 - Antilles, Jedi Teen & Utapau Warrior (51 - 53)
So if we start to see the Wave 4, Col 2 figures later this month, and then both of the Wave 5 cases come out in June - then that leaves only 3 figures for July.
We do not know when Hasbro has set the release date of the last Collection 1 set of figures (#54 - #56). Assuming that is Collection 1, Wave 6, why is there no Collection 2, Wave 6 to be shipped with it?
Also - none of the Collection 1 Wave 5 case ratios contain more of the SA Clone #41. So the only thing I can figure that MIGHT thrown a wrench into the release of a new wave each month is if Hasbro plans on shipping the Army Builder assortment (Col 1, Wave 4) for a couple of months - there is supposedly a case ratio for Wave 4 that is simply 3 of each of #41 - #44. Perhaps we'll have to wait for them to ship out the Wave 4 with all of the paint-op variants of the clone before they move on to Wave 5?
If however, we do see "Wave 6" of collection 1 by July, unless they do something else, August - December are going to be pretty dry.
I too hope there are at least three or so more Evolutions assortments coming down the pike - there needs to be AT LEAST one dedciated to PT Obi-Wan, another dedicated to Padme and a third nice one would be Jedi Masters (Qui-Gon, Mace Windu & Ki Adi Mundi).