Thriller Opening Secquence ideas

Idea 1:
A woman is at home in her kitchen making soup, there is then a close up of a bottle of blue liquid labled, toxic, she pours it into the soup. the scene then cuts to when her husband gets home and serves himself some of the soup, the wife peers around the door to spy on him eating the soup. the opening ends with him dead on the kitchen floor. the wife then rings the police but doesnt say anything on the line, before fleeing the house.

Idea 2:
The scene starts with a normal family, a wife and two children, eating dinner around a table, the wife is clearly worried, but tries to act normal to the children, after the meal is finished we see her peering ut the window, and clutching her phone, the scene ends with a shot of the missing husbands phone in a drain on a street with loads of missed calls from 'The Mrs'