diff --git a/src/de/steamwar/misslewars/Config.java b/src/de/steamwar/misslewars/Config.java
index da66400..b56c7cc 100644
--- a/src/de/steamwar/misslewars/Config.java
+++ b/src/de/steamwar/misslewars/Config.java
@@ -100,7 +100,7 @@ public class Config {
 			RedLeader = null;
 	}
 
-	public boolean isChallenge() {
+	public static boolean isChallenge() {
 		return BlueLeader != null && RedLeader != null;
 	}
 
diff --git a/src/de/steamwar/misslewars/MWTeam.java b/src/de/steamwar/misslewars/MWTeam.java
index 82be00a..59e189b 100644
--- a/src/de/steamwar/misslewars/MWTeam.java
+++ b/src/de/steamwar/misslewars/MWTeam.java
@@ -19,9 +19,10 @@
 
 package de.steamwar.misslewars;
 
-import de.steamwar.comms.packets.TablistNamePacket;
-import de.steamwar.sql.SteamwarUser;
-import org.bukkit.*;
+import org.bukkit.ChatColor;
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.Inventory;
@@ -30,8 +31,10 @@ import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.scoreboard.Objective;
 import org.bukkit.scoreboard.Team;
 
+import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.Objects;
+import java.util.Set;
 
 public class MWTeam {
 	private static final ItemStack bow = new ItemStack(Material.BOW);
@@ -52,7 +55,8 @@ public class MWTeam {
 	private final Location spawn;
 	private final int portalZ;
 
-	private LinkedList<Player> players =  new LinkedList<>();
+	private final LinkedList<Player> players =  new LinkedList<>();
+	private final Set<Player> openInvitations = new HashSet<>();
 	
 	MWTeam(ChatColor color, Location spawn, String teamName, int portalZ) {
 		this.teamName = teamName;
diff --git a/src/de/steamwar/misslewars/MissileWars.java b/src/de/steamwar/misslewars/MissileWars.java
index f48e70a..ad90c0c 100644
--- a/src/de/steamwar/misslewars/MissileWars.java
+++ b/src/de/steamwar/misslewars/MissileWars.java
@@ -62,6 +62,7 @@ public class MissileWars extends JavaPlugin {
 		new FightListener();
 		new ChatListener();
 		getCommand("spectate").setExecutor(new CommandSpectate());
+		getCommand("invite").setExecutor(new CommandSpectate());
 
 		new WaitingCountdown();
 		new ItemCountdown();
diff --git a/src/de/steamwar/misslewars/commands/CommandInvite.java b/src/de/steamwar/misslewars/commands/CommandInvite.java
new file mode 100644
index 0000000..8126ca8
--- /dev/null
+++ b/src/de/steamwar/misslewars/commands/CommandInvite.java
@@ -0,0 +1,43 @@
+/*
+ *
+ *     This file is a part of the SteamWar software.
+ *
+ *     Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU Affero General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *     GNU Affero General Public License for more details.
+ *
+ *     You should have received a copy of the GNU Affero General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ * /
+ */
+
+package de.steamwar.misslewars.commands;
+
+import de.steamwar.misslewars.Config;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class CommandInvite implements CommandExecutor {
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (!(sender instanceof Player)) return false;
+        Player player = (Player) sender;
+        if (!Config.isChallenge()) {
+            player.sendMessage("§cDieser Command ist deaktiviert.");
+            return false;
+        }
+        return false;
+    }
+
+}
diff --git a/src/de/steamwar/misslewars/commands/CommandSpectate.java b/src/de/steamwar/misslewars/commands/CommandSpectate.java
index 6efa06f..4a8c1f2 100644
--- a/src/de/steamwar/misslewars/commands/CommandSpectate.java
+++ b/src/de/steamwar/misslewars/commands/CommandSpectate.java
@@ -19,6 +19,7 @@
 
 package de.steamwar.misslewars.commands;
 
+import de.steamwar.misslewars.Config;
 import de.steamwar.misslewars.MWTeam;
 import de.steamwar.misslewars.MissileWars;
 import org.bukkit.GameMode;
@@ -31,8 +32,12 @@ public class CommandSpectate implements CommandExecutor {
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) return false;
+        if (!(sender instanceof Player)) return false;
         Player player = (Player) sender;
+        if (Config.isChallenge()) {
+            player.sendMessage("§cDieser Command ist deaktiviert.");
+            return false;
+        }
 
         MWTeam mwTeam = MissileWars.getTeam(player);
         if (mwTeam == null) return false;
@@ -42,6 +47,8 @@ public class CommandSpectate implements CommandExecutor {
         }
         MissileWars.leave(player);
         player.setGameMode(GameMode.SPECTATOR);
+        player.getInventory().clear();
+        player.updateInventory();
         return true;
     }
 
diff --git a/src/plugin.yml b/src/plugin.yml
index 452b135..c95edb1 100644
--- a/src/plugin.yml
+++ b/src/plugin.yml
@@ -11,4 +11,5 @@ depend:
  - WorldEdit
  - SpigotCore
 commands:
- spectate:
\ No newline at end of file
+ spectate:
+ invite:
\ No newline at end of file