This game will always suffer for the fact that it's a minigame component of a failed project. Everything from settings and characters and backstory is charred wreckage from something grander. The maps are all thematic and cinematic but many of them lack the punchy design qualities of classic shooter maps. The characters are made to be personable and get people attached - but then mechanically useless in many scenarios, forcing you to rotate between them as Peter Griffin does his green pants and white shirts.
In the end it's a burnt husk, already played out despite being relatively new. The developers were worn and tired by the time it released and you can feel it in the gameplay. "Here's our end of life, it's all we've got left, we hole you enjoy it." It's like watching nothing but all the after credit sequences from the Marvel movies in order instead of the movies themselves.