Rather simple glitch that works on both consoles and has not been patched as of yet. Anyways, here is a text tutorial along with a video.
[font=Verdana, Arial, sans-serif]1. Friend not utilizing glitch needs to stand at a Showdown Series post with alert to join.[/font]
[font=Verdana, Arial, sans-serif]2. Player utilizing glitch needs to join friend through "left d-pad option"[/font]
[font=Verdana, Arial, sans-serif]3. Player gets message at lower right corner of screen "Processing Join..."[/font]
[font=Verdana, Arial, sans-serif]4. Player waits for 3 seconds (give or take depending on connections)[/font]
[font=Verdana, Arial, sans-serif]5. Player tells Friend to start Showdown Series[/font]
[font=Verdana, Arial, sans-serif]6. Friend's job is done![/font]
[font=Verdana, Arial, sans-serif]7. Player will have black screen, black alert screen, or frozen picture screen[/font]
[font=Verdana, Arial, sans-serif]8. Player will spawn into a lobby fully glitched![/font]
[font=Verdana, Arial, sans-serif](no longer works if you change lobbies or lose connection for some reason)[/font]
[font=Verdana, Arial, sans-serif]All players will be invisible to glitched player as well as the glitched player to them.[/font]
[font=Verdana, Arial, sans-serif]Glitched player will see others on map, but will be faded dots as though they were around a lobby mission.[/font]
[font=Verdana, Arial, sans-serif]Glitched player will appear faded as well to others.[/font]
[font=Verdana, Arial, sans-serif]2. Player utilizing glitch needs to join friend through "left d-pad option"[/font]
[font=Verdana, Arial, sans-serif]3. Player gets message at lower right corner of screen "Processing Join..."[/font]
[font=Verdana, Arial, sans-serif]4. Player waits for 3 seconds (give or take depending on connections)[/font]
[font=Verdana, Arial, sans-serif]5. Player tells Friend to start Showdown Series[/font]
[font=Verdana, Arial, sans-serif]6. Friend's job is done![/font]
[font=Verdana, Arial, sans-serif]7. Player will have black screen, black alert screen, or frozen picture screen[/font]
[font=Verdana, Arial, sans-serif]8. Player will spawn into a lobby fully glitched![/font]
[font=Verdana, Arial, sans-serif](no longer works if you change lobbies or lose connection for some reason)[/font]
[font=Verdana, Arial, sans-serif]All players will be invisible to glitched player as well as the glitched player to them.[/font]
[font=Verdana, Arial, sans-serif]Glitched player will see others on map, but will be faded dots as though they were around a lobby mission.[/font]
[font=Verdana, Arial, sans-serif]Glitched player will appear faded as well to others.[/font]