Charlie is holding a doll in the image of Alice, saying some flirty lines, including a wedding proposal. When one of the Quirky Miniboss Squad members asks if he has fallen in love with the enemy, he answered "No, I don't do that kind of thing. I'm practicing a proposal to Queen Darvik, and I haven't made a voodoo doll of her."
Charlie has a tendency to make a lot of flirty and suggestive comments to Alice during their fights, but it turns out that it's all just a ploy to make her uncomfortable.
Charlie is holding a doll in the image of Alice, saying some flirty lines, including a wedding proposal. When one of the Quirky Miniboss Squad members asks if he has fallen in love with the enemy, he answered "No, I don't do that kind of thing. Lord Blackheart just wants me to get her to join his side."
Charlie's suggestive comments are revealed to be merely because of an attempt to screw with her...or so they were at first, anyway.
Everyone but Alice and Charlie thinks they're dating, using rivalry as a cover, but both of them keep telling them that they don't feel that way. However, the have more UST and Ship Teasing moments than anyone else in the show, including the Official Couple, making the others question if their denial is true.
"Are you plotting the downfall of some other girl on the side?"
Averted: Alice and Charlie only feel loathing over each other, with no subtext of suggesting anything else what-so-ever.
Enforced: There isn't anyone on the team for Alice to be paired up with. Let's give her subtext with one of the enemies.
Lampshaded: A mook asks his boss if he has the other strong intense emotion with Alice. Charlie comments that even he doesn't know.
Charlie is a full believer of 'keep your friends close, and your enemies closer'
The Villain's Guild insists bad guys act this way to their arch-enemies, to our hero and her nemesis's mutual discomfort.
Exploited: Charlie takes advantage of her by giving her mixed signals.
Defied: Alice, Genre Savvy on how Charlie is an expert of mix signals, decides to state out front not to even think about it, as it won't work on her.
Bob: You know, I question your boss' feelings for mine. Alexa: So, does that make us the Beta Couple? * Beat, then the two give an Aside Glance before looking at each other*
Conversed: "Okay, why the hell does everyone ship Charlie/Alice? They're enemies, they're aren't supposed to be in a bloody relationship!"
Alice and Charlie have difficulty fighting each other, as they developed feelings over time. They even questioned changingsides just to be together. However, they both felt confused if they should give up what they're fighting for and be unhappy other than being with their companion without battling him or her, or stayed on their intended side, and forced to do something they're reluctant to do.
Charlie realizes he's honestly attracted to Alice, which sends him into a Villainous BSOD.