Well, Dragon Ball Heroes has updated!
Here's the list of characters in Dragon Ball Heroes so far:
-Beat (SSJ, SSJ2, SSJ3)
-Erito (SSJ, SSJ2, SSJ3)
-Basaku (SSJ, SSJ2, SSJ3)
-Note (SSJ, SSJ2, SSJ3)
-Viola (SSJ, SSJ2, SSJ3)
-Forte (SSJ, SSJ2, SSJ3)
-Akina
-Kabra
-Yoshito-Kun
-Salaga
-Froze
-Rezok
-Zero
-Tsumuri (w/ Piccolo)
-Dragon (w/Piccolo)
-Kagyu (w/ Piccolo)
-Nimu
-Nico
-Genome
-Kid Goku (Oozaru)
-Goku (Kaioken, SSJ, SSJ2, SSJ3, SSJG)
-GT Goku (SSJ, SSJ2, SSJ3, SSJO, SSJ4)
-Kid Gohan (Oozaru)
-Teen Gohan (SSJ, SSJ2)
-Gohan (SSJ, SSJ, Z-Sword, Ultimate)
-Great Saiyaman
-GT Gohan (SSJ, Infected Gohan)
-Future Gohan (SSJ, SSJ3)
-Goten (SSJ)
-GT Goten (SSJ, Infected Goten)
-Pan
-GT Pan
-Kid Vegeta
-Vegeta (Oozaru, SSJ, ASSJ, SSJ2, SSJ3, Majin Vegeta, SSJ3 Majin Vegeta)
-GT Vegeta (SSJ, SSJ2, SSJ3, SSJ4)
-Trunks (SSJ)
-GT Trunks (SSJ, SSJ3, Infected Trunks)
-Teen Future Trunks (SSJ, SSJ3)
-Future Trunks (SSJ, ASSJ, SSJ3)
-Time Patrol Trunks
-Young Piccolo (Giant)
-Piccolo (Mind Controlled, w/ Nail, w/ Kami)
-Master Roshi (Max Power)
-Jackie Chun
-Kid Krillin
-Krillin
-Yamcha
-Mr. Satan
-GT Mr. Satan
-Videl
-Great Saiyaman II
-Pikkon
-Uub
-GT Uub (Majuub)
-Dai Kaioshin
-North Kaioshin
-West Kaioshin
-East Kaioshin
-South Kaioshin
-Kibito
-Vegetto (SSJ, SSJ2, SSJ3)
-Super Gogeta (SSJ2, SSJ3)
-Veku
-Gotenks (SSJ, SSJ3)
-Fat Gotenks
-GT Gotenks (SSJ, SSJ2, SSJ3)
-Gotan
-Kibitoshin
-Mighty Mask (SSJ)
-Pilaf Machine
-Sgt. Major Murasaki
-General Blue
-Pirate Robot
-Mercenary Tao
-Cyborg Tao
-Master Shen
-Tien Shinhan
-Chiaotzu
-King Piccolo
-Nail
-Bardock (Oozaru, SSJ, SSJ2)
-Tora
-Fasha
-Borgos
-Shugesh
-King Vegeta (Oozaru)
-Young Nappa
-Nappa
-Raditz
-Saibamen
-Frieza (2nd, 3rd, Final Form, Full Power)
-Mecha Frieza
-Cooler (Final Form)
-Meta-Cooler (Core)
-King Cold
-Lord Chilled
-Kuriza (Final Form)
-Cui
-Dodoria
-Zarbon (Monster)
-Captain Ginyu
-Jeice
-Burter
-Guido
-Recoome
-Salza
-Dore
-Neiz
-Tobi
-Cyclopian Guard
-#13 (Super, Majin 13)
-#14
-#15
-#16
-#17
-Hellfighter 17
-Super 17 (16 Absorbed, Cell Absorbed)
-#18
-#19
-Dr. Gero
-Cell (17 Absorbed, Perfect, Buff, Super)
-Cell Jr.
-Babidi
-Bibidi
-Dabura
-Yamu
-Spopovitch
-Pui Pui
-Majin Buu
-Evil Buu
-Super Buu (Gotenks Absorbed, Piccolo Absorbed, Gohan Absorbed, Giant)
-Kid Buu (South Kai Absorbed, Dai Kai Absorbed, Kibitokai Absorbed, Babidi Absorbed)
-Garlic Jr. (Super, Majin Garlic Jr.)
-Ginger (Majin Ginjer)
-Nicky (Majin Nicky)
-Sansho (Majin Sansho)
-Spice
-Vinegar
-Mustard
-Salt
-Dr. Wheelo
-Dr. Kochin
-Kishime
-Ebifurya
-Misokattsun
-Biomen
-Tullece (Majin Tullece)
-Amond
-Daiz
-Cacao
-Rezun
-Rakasei
-Lord Slug (Giant, Majin Slug)
-Angria (Majin Angria)
-Dorodabo (Majin Dorodabo)
-Medamatcha (Majin Medamatcha)
-Zeiun (Majin Zeiun)
-Hatchiyack (Super, Giant, Majin Hatchiyack)
-Dr. Raichi (Majin Raichi)
-Broly (LSSJ, LSSJ3, LSSJ4, Majin Broly)
-Bio Broly
-Paragus
-Bojack (Full Power, Majin Bojack)
-Zangya (Majin Zangya)
-Bujin (Majin Bujin)
-Gokua (Majin Gokua)
-Bido (Majin Bido)
-Super Janemba (Majin Janemba)
-Tapion
-Hirudegarn (Majin Hirudegarn)
-Whis
-Beerus
-Dr. Myuu
-Super Mega Cannon Sigma
-General Rildo (Hyper Mega, Meta)
-Lood
-Baby
-Baby Vegeta (Super, Super 2, SSJO)
-Baby Janemba (Majin Baby Janemba)
-Black Smoke Shenron
-Oceanus Shenron (Dragon, Super)
-Haze Shenron
-Naturon Shenron (Super)
-Eis Shenron
-Nuova Shenron
-Mix
-Mike
-Z (Super Neko Majin)
-Jaco