Khan can prevent Fernando from protecting his allies with Commander's Grab. It will cancel his shield and displace Fernando behind Khan, meaning he must waste his Charge ability if he wants to be back in the fight.
Khan's ultimate relies on line of sight to grab his desired target, pull up Fernando's Shield and block your allies with it. Khan cannot grab any targets behind Fernando's Shield unless he has already fired his ultimate.
Inara with Treacherous Ground will murder your whole team if you are not careful. She can trap multiple champions, allowing teammates to decimate them, and she can dish out some damage too. Consider taking Bulldozer just to destroy Warder's Field.
Found Talus' Rune? Booby trap it! That champion makes a distinctive sound when teleporting back, use it as an audio cue even when you step back from it to know when to explode your bombs.
Grumpy Bomb combined with Demolition legendary is a nightmare for Barik, especially if he's with another front liner. That's because he likes to set himself up in one place, and you are forcing him out every 10 seconds.