Marvel Rivals is a free-to-play 6v6 shooter game with a concept similar to popular games like Overwatch.
Players can choose from Marvel superheroes and villains like Iron Man, Spider-Man, Loki, Hulk, and more to build a team and enter battle.
With roles such as Vanguard, Duelist, and Strategist, your main goal is to control areas, protect or push moving objectives, and complete missions together.
Despite its popularity, many players are facing server connection issues in Marvel Rivals, making them unable to log in.
In this article, you’ll learn how to fix Marvel Rivals Error Code 4 on PC, PS5, or Xbox, along with ways to resolve connection problems.
How to Fix Marvel Rivals Error Code 4 on PC or PS5, or Xbox
To fix Marvel Rivals Error Code 4 on PC, PS5, or Xbox, try resetting your internet connection or restarting the game and your device.
The error message, “LOGIN ERROR Unknown Error: Error Code: 4,” is usually caused by network problems, such as unstable internet, server outages, or platform-specific issues.
Below are some other working solutions you can try:
Fix 1: Reset Internet Connection
- PC: Click Wi-Fi icon, disconnect, wait 10 seconds, reconnect.
- PS5/Xbox: Settings > Network, disconnect Wi-Fi, wait 10 seconds, reconnect.
- Unplug the router for 30 seconds.
- Plug the router back in, wait 1–2 minutes for stable lights.
Fix 2: Restart the Game and Device
- PC: Exit Marvel Rivals (menu or Task Manager).
- PS5/Xbox: Home > Marvel Rivals > Options > Close Game.
- PC: Start > Power > Restart, wait 1–2 min.
- PS5/Xbox: Turn off (PS/Xbox button > Power > Turn Off).
- Unplug PS5/Xbox for 1 min, plug in, and turn on.
- Relaunch Marvel Rivals, and try logging in.
Fix 3: Verify Game Files (PC Only)
For Steam:
- Open Steam > Library.
- Right-click Marvel Rivals > Properties.
- Go to Installed Files > Click “Verify Integrity of Game Files.”
- Wait 5–10 minutes for Steam to check and replace corrupted files.
- Launch the game and try logging in.
For Epic Games Store:
- Open Epic Games Launcher > Library.
- Click Marvel Rivals > Click the three dots next to the title > Manage.
- Click “Verify” to check files.
- Wait 5–10 minutes for verification and file replacement.
- Launch the game and try logging in.
Fix 4: Contact the Support Team
- Email [email protected], subject: “Error Code 4.”
- Include platform (PC/PS5/Xbox), error details, steps tried, and network (Wi-Fi, ISP, region).
- Send email, wait 24–48 hours for reply.
- Join discord.gg/marvelrivals server.
- Post in #help or #support with the same details.
- Tag moderators if allowed for faster help.