The Marvel Cinematic Universe is expanding in a big way thanks to Ant-Man and the Wasp. Not only does the film finally put Evangeline Lilly’s Hope Van Dyne in costume and introduce her long-lost mother, Janet (played by Michelle Pfeiffer), but we also meet Dr. Bill Foster (Laurence Fishburne), a brilliant scientist and future heir to the mantle of Giant-Man (in the comics anyway). As we learned in the trailers for the film, Foster worked with Hank Pym at one time on “the Goliath program”… though he never got quite as big as Ant-Man did!
Whether you call him Giant-Man, Goliath or Black Goliath, Bill Foster isn’t a character many causal Marvel fans may be aware of. With that in mind, here’s everything you need to know about this new addition to the MCU.
Source: IGN.com Ant-Man and the Wasp's Goliath Explained