The ending showdown was very cool, something I've never seen before on screen, Equaliser 2 certainly has things like this that I enjoy, it's not a bad movie, but it is a little bit of a disappointment after the first one. Though I certainly liked The Equalizer more, I am a fan of both movies (so I guess the whole franchise at this point) and if Denzel is up for making more of these Defender-of-the-Downtrodden, ass-kickin' super soldier Action movies with human-interest stories peppered in via the supporting characters, then I'll sure as Hell keep watching 'em.
Final rating:★★★ - I liked it. Would personally recommend you give it a go.