City of Heroes will be celebrating its 5-year anniversary on Tuesday, April 28, and the team behind the game has a ton of events planned for the next month so players can enjoy the momentous occasion. The fun starts at 11 a.m. EDT on April 28 will an in-game event. While the team isn't giving away any secrets, they did say "all CHAOS is going to break loose" and you can expect to earn merits, badges and XP. The event will end at midnight.

Lead Designer Positron will be giving a global anniversary address on April 28 at 8 p.m. EDT in-game, which will also appear afterward on the official Web site. The only way to find out what information he plans on sharing is to listen to the address!

From April 28 until May 3, you'll be able to use your expired account to access the live server and join in on the fun. Also, any character who logs in from April 29 to May 31 will receive a 5-Year Anniversary Badge. And lastly, there will be a T-shirt logo contest and a video-making contest for you creative players out there. So make sure to log in on April 28 to celebrate 5 years with a bang!