Original Post — Direct link

According to the co-op notes, you can't?? I thought all game modes could be played Solo. Did I misunderstand something?

-Avengers Initiative: The Avengers Initiative is at the heart of our expanding world, where you can jump into online co-op. Here you can continue to hone your team while playing through an interconnected series of stories, missions, and personal hero arcs. The Avengers Initiative will evolve over time with the free addition of new heroes, villains, regions, and gear, for years to come.

-War Zones: A War Zone is an expansive, explorable space that can be played solo or co-op, loaded with side content including concealed caches to uncover, powerful bounty enemies to defeat, AIM depots to take over, faction allies to rescue, and hidden rewards to claim.

External link β†’
about 4 years ago - /u/CD_PhilT - Direct link

You can play Avengers Initiative with AI companions minus a small amount of end game content that requires humans to play with. The choice is up to you!