What are some alternatives?
When comparing Marvel Heroes and Dungeon Siege, you can also consider the following products
Drakensang - Drakensang is a Single-player, Third-person, Role-playing and Adventure-based Combat video game created by Radon Labs and published by DTP Entertainment.
Lego Battles - Lego Battle s is a Real-time Strategy, Single and Multiplayer video game developed by Hellbent Games and published by Warner Bros Interactive.
Titan Quest - Titan Quest Anniversary Edition Titan Quest is back! Nordic Games (now: THQ Nordic) acquired Titan Quest in 2013 from THQ and started to work on bringing back the multiplayer and improving the game further.
NieR: Automata - NieR: Automata is an Action-Adventure, Role-playing, Combat, Fast-paced and Single-player video game created by PlatinumGames published by Square Enix.
Guild Wars 2 - Guild Wars 2 seeks to change the face of Massively Multiplayer Online Games.
Path of Exile - Path of Exile is a free to play online action roleplaying game that draws clear inspiration from Diablo but charts a path all its own.