Be ready for Jenos' ult. You have plenty of time to move out of the way as long as you are ready for the tell. Also, consider buying Resilience to shorten down the void grip if either they have it's legendary, or if you have no mobility.
Getting pushed back by ash to the edge of the map? Androxus' Nether step can counter this because ash can't push you very far away. So can Buck's Heroic leap, Evie's Soar or Drogoz's Jetpack
During Ash's Ultimate ability she is not CC Immune, Makoa can Dredge Anchor her out of her area and Bomb King can stun her with Grumpy Bomb. If she has the Battering Ram legendary she will use this to escape the stun and therefore be out of the area!