If u use street cred lvl 2, u will have 2000hp. That alows the andro to 3 shot u if he/she lands only one headshot. Get at least street cred lvl 3 to not get 3 shot by andro. Also move around. It makes it harder for andro to land headshots on u.
Totemic Ward's cc immunity prevents heavy blade's slow, and he can ghost walk to avoid heavy combat's burst. His ult slows the enemy, therefore his ult counters your ult.
Furia is strong against Lex from long and short disrance. As long as Furia heals are good Lex wins only with damage shooting from weapon. If she uses her skills reasonably and he'll be catched with beam Lex won't have chances to win solo fight.
Crowd control reduction or immunity is critical against Atlas, especially if you are a tank or support. This will make you less vulnerable to his Rewind effect, and reduce the time you are trapped by his ultimate.