Dozens of Dragon Ball GT references have already been found in the Super Baby 2 and Super Saiyan 4 Gogeta trailer for Dragon Ball FighterZ

Many attacks in Dragon Ball FighterZ clearly take references from the manga, anime and movies featuring the Dragon Ball universe. It seems that Super Baby 2 and Super Saiyan 4 Gogeta from Dragon Ball GT also feature attacks and techniques

New Official Goku Update in Xenoverse 2! #dragonball #dragonballz #dbz

Raditz (Moveset) [Dragon Ball FighterZ] [Mods]

June, 2015

Super Baby 2 And Gogeta [SS4] Are Joining Dragon Ball FighterZ

Dragonball FighterZ - Gogeta Super Saiyan 4 Showcase

Dragon Ball FighterZ / Characters - TV Tropes

Gogeta, Dragon Ball Wiki

Super Baby 2 to join Dragon Ball FighterZ on Jan. 15, Super Saiyan 4 Gogeta announced - Dot Esports

Dragon Ball FighterZ – Official Gogeta SS4 & Super Baby 2 Reveal Trailer - IGN

Gogeta, Dragon Ball Wiki

Dragon Ball FighterZ - Super Baby 2 Moves/ Combos [DLC 12]