Love Triangle
Love triangle's are usually romantic relationships involving three people and two being in conflict over one person. Although it may refer to two people romantically linked with a third or that each of the three people have a romantic relationship with the other two.
Overview

A love triangle is a romantic relationship involving three or more people.A love triangle is usually a romantic relationship involving three or even more people. Although it can also refer to two characters independently romantically linked to a third. It most often implies that each of the three individuals has some form of a relationship with the other two. It is a complex theme used to illustrate a triangle where three persons are connected by the love of one common individual.
As a story plot theme it has been a frequent subject in popular culture in comic books. A few of the most well known character involved in a love triangle within the pages of comics are in the following list.
King Arthur, Queen Guinevere, and Sir Lancelot (a stock type for several of the comic book romances).
Popeye, Olive Oyl, and Bluto (one of the earliest love triangles in comic book history).
Archie Andrews, Betty Cooper, and Veronica Lodge.
Jean Grey, Cyclops, and Wolverine.
Crystal, Quicksilver, and the Human Torch.
Thing, Alicia Masters, and the Human Torch.
Starfire, Dick Grayson, and Mirage.
Crystal, Black Knight, and Sersi.