The new Dragon Ball Z fighting game shown at E3 could end up also having a Switch version made if there is high enough demand online according to the producer of the game. Right now its only being developed for PC, PS4, and Xbox One. Also wouldn't arrive at a much later date than the other platforms if it does end up being made.
https://www.destructoid.com/dragon-b...h-443566.phtml
In other Dragon Ball related news, Dragon Ball Xenoverse 2 was announced to be arriving on the Switch on September 7th for Japan and likely around the same date for other regions.
https://www.destructoid.com/dragon-b...n-443593.phtml
Nintendo recently released a chart of some of the major games arriving for the Switch (and 3DS) during the rest of this year.