Well, in the phrase 'Becca and Wyatt tell my story', Becca and Wyatt are likely characters or real people. It's possible they are storytellers. Maybe they are part of a project where they are tasked with narrating someone's experiences, could be for a documentary, a book, or even a personal blog. Without further information, it's hard to say more about them.
There's no way to know the exact story just from this phrase. It could be any kind of story, like a personal adventure, a family history, or an experience related to a particular event.
Definitely. The comic version of Homelander is portrayed as having greater strength and capabilities. This is evident in his confrontations and the scale of his power displays throughout the comic series.