David Ramsey as John Diggle in Arrow.

While The CW’s flagship Arrowverse series Arrow, came to an end over a year ago, it didn't mark the end for one of its characters. An exciting summer lies ahead for David Ramsey and his Arrow character, John Diggle, as he will be making his highly-anticipated and teased return to the Arrowverse. Now, the actor is revealing what brings Diggle back after all this time.

If most can remember, Diggle’s story in the Arrow finale was only just beginning, as he had discovered a green meteorite that indicated the start of his run as Green Lantern. And to explore more about what that means and what could happen to him, he will be visiting Central City, National City, Gotham, Smallville and the Waverider. David Ramsey tells TVLine Diggle’s reasoning for visiting Gotham in the upcoming June 13 episode of Batwoman (which will mark his first of multiple appearances in the Arrowverse) and what A.R.G.U.S. has to do with all of this:

Headaches. Debilitating headaches. And he’s hearing voices. He goes to Gotham to get help with this, to see a physician there, and in the meantime, his A.R.G.U.S. story continues. His wife is still head of A.R.G.U.S. and he’s co-head, and that’s part of what he brings when he goes to these cities. He’s there to assist and help in whatever way he can with his access to A.R.G.U.S. That’s a very big part of who he is.

Meanwhile, David Ramsey’s upcoming appearance in Legends of Tomorrow has been teased as a mysterious one. Ramsey mentions that his Legends is a different person and not one that fans would expect, considering where Diggle was headed to when fans last saw him. Despite this, as Ramsey explained, it will be an interesting one:

There was some press that was out there that I’m playing a mystery character on Legends, and from that kind of wording there was an assumption that because obviously Legends has a time ship, and they go through time and space, fans connected that to the Green Lantern Corps…. Also, the last time you saw Diggle, he was on his way to Metropolis and was intercepted by a glowing, green box, so it was a logical step in assuming that…. But on Legends, there’s a different character all together. It’s a historic character, a historical Western character.

Not only will John Diggle be returning in multiple episodes in the Arrowverse, but David Ramsey is set to direct a number of episodes as well. So all in all, he'll guest star in five episodes and directing three, and will even handle both acting and directing duties in two episodes.

Catch the first part of David Ramsey’s highly-anticipated Arrowverse return with the Superman & Lois episode he directed, which airs on May 25 at 9 p.m. ET on The CW. He can then be seen on Batwoman on June 13 at 9 p.m. ET on the network as well!

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