His ex mixer is kind of free to crossover and neutral jumps on wakeup, so it doesn't really work as well as a lot of the other ex or invincible reversals. I know he has great mobility, but that doesn't necessarily make up for walk speed or range issues. You think you can just dash up and then hit a button against Cammy, Chun, Vega, or Karin? Necalli's range isn't great but I guarantee you won't get out footsied against Rashid in the MU. Your cr. MK is better and your st HK seems to just work against my cr HP.
Cr. MP as an anti air is ok from a certain range, but it's not going to stop cross up's like a Necalli jab. You can use Rashid's st.LK for those but it's hit or miss.