To play on the web, you must have previously played MSF and logged in with your Scopely ID on mobile. You won't see the PLAY ON WEB button if you're not logged into the site with your Scopely ID.

If you have done that, all you need to do is the following

1. Visit MarvelStrikeForce.com 

2. Click or tap on PLAY ON WEB to launch the game.

3. Log in using your Scopely ID