This command you can spawn The Queen with no mods.
Note: Minify the command to avoid issues :)
/spawnboss
Minecraft 1.9 Features only one command
Wither Storm Axe
The White Pumpkin - A Portal to Mystery
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)
blakej1024
blakej1024
darkknight3227
galbby5
deadpoolbadhair