The first Hasbro panel of the Fan Expo 2019 in Canada was the Transformers panel, and four brand new Studio Series Transformers were announced for release in 2020.
From the original Transformers movie is a new Voyager Class Megatron.
He is joined by Shockwave (Leader Class) from Dark Side of the Moon. The set will include Brains and Wheelie and some mini NEST soldiers with parachutes.
There are then two more Constructicons in the shape of Scavenger and Mixmaster. Scavenger is a Leader Class
Mixmaster will be Voyager class.