Verdansk opened in Call of Duty: Warzone, and there are a few changes to the map that you need to know more about. For starters, the closed stadium near the center of the map now has a huge hole and you can explore it freely. There's plenty of loot available at all levels of the stadium, and even a parking garage where you can hop on and off vehicles to find yourself on the larger map. There's also a mighty train that runs around town, and those lucky enough to jump in the back, you can get some decent loot in the process.
The Loot Train is a powerful locomotive rolling through Verdansk, and it isn't disturbed by anything. You can try to catch it by following the tracks to jump on it, or you can choose to land in the back to grab some really good loot at the start of the game. There are a lot of orange and blue boxes available to grab and equip yourself with important weapons at the start of the game.
While the equipment is fine, everyone in the game will likely have the same idea and want to join you, probably near the start. For those who prefer to jump the gear after landing, you can find it on the map indicated by the moving icon, as if it were a vehicle.
Jump on it at your discretion, but it paints a pretty big target on your back and you have no control over it. The train will continue to travel the map and follow the tracks, so you may have to jump when the gas starts to move closer to the center.