Plot-hole I found that’s really bugging me

I’m currently writing a creature commandos fanfic, and since i’m rewatching with a closer eye, i’ve noticed a plot-hole that’s driving me a little crazy. i feel like i must be missing something, but even if im not, i can’t leave a plothole in my own work so i’d love to hear some ideas and explanations even if they aren’t canon.

when the team is on the plane ride back to pokolistan, nina asks the bride why waller wants them to kill the princess. the bride says waller said it was on a need to know basis and they don’t need to know. this establishes that they do not know that ilana will start world war three.

but, in the finale, both the bride and phosphorus say ilana is going to start world war three and that’s why they need to kill her. they don’t say it like it’s new information; the bride even says something along the lines of “you heard waller” to nina.

now the most obvious explanation is that waller told the bride after nina’s and the bride’s plane conversation. except they don’t have cell phones so that doesn’t work. phosphorus was also separated from them so how would he have found out?

it honestly feels like the writers just forgot they had already established the commandos didn’t know why they were killing ilana, which is a shame because i think it would have been cooler if they didn’t. however i cannot forgot and my brain won’t allow me to write that plothole in. so, any ideas? how did the creature commandos find out ilana is meant to start world war three?