I was looking at this as well, and was also discussed briefly in the main thread for the promo --

Shanghai (+Suzhou because Marriott is bad at geography) at 21, 2 not in promo:
Design
JW Marriott x 3
Marriott x 9
Renaissance x 7
Westin
RC x 2
St. Regis x 2
Sheraton x 8
Courtyard x 13
Luxury Collection
W x 2
Edition
Fairfield x 11
Moxy x 3
Four Points x 13
Bvlgari (not in promo)
Delta
Aloft x 3
Le Meridien x 2
AC Hotel
Marriott Executive Apts (not in promo) x 2

Kuala Lumpur -- 21, 1 not in promo:
Aloft
Le Meridien x 3
St. Regis
Autograph
FP x 3
Design
Moxy x 2
citizenM
Sheraton x 2
Renaissance
JW Marriott
Westin
RC
W
Marriott Executive Apartments (not in promo)
Fairfield
Marriott x 2
AC Hotels x 2
Element
Courtyard x 3 (1 not open before promo end)
Tribute

London seems to have 21 brands as well (just looking at the filter), but I'm too lazy to count another 71 hotels.