Verify the integrity of the game files on Steam, Epic, GOG Galaxy, Ubisoft Connect, Battle.net, Origin, Rockstar Games Launcher by following this tutorial.

To fix this case, you just need to verify the Marvel Rivals game files via Steam. Open your library and find Marvel Rivals there. Next, right-click on the game icon and go to Settings.

You can fix this by right-clicking on DOTA 2 in your Steam Library > Properties > Local Files > and select Verify the Integrity of game files. Connect to a different network.

Head into the Battle.net launcher and then select the Scan and Repair option from the Settings underneath Overwatch 2. This will verify the game files and download any corrupted files that it finds.