While not appearing on panel in the DBM Manga. Dore has been described in the novel cheering his commander Salza on alongside his Armored Squadron comrade Neiz as a spectator.
Dore's history at Universe 4, 6, 11, 16, 17, 18 and 20 is almost the same with Universe 12, 14, 15. With only some slight changes. In all these Universes he was killed by Vegeta
As the remaining Universes (1, 2, 5, 10) split of so long ago even the existence of Dore is in question.