Brian Buccellato 
Midlife (Or How To Hero At Fifty!) #4 [PDF ebook] 

Ruben Kwan’s struggle to keep his home and hero lives apart continues! The aftermath of the Maroon Suits attempted kidnapping of him puts family life with his pregnant wife and full-time niece dangerously close to these mysterious new enemies…who for some reason seem to think HE is the greatest threat in history DESPITE all the thankless, backbreaking hero-ing he’s been doing. Misunderstood? Unappreciated? And bad knees? Sounds a lot like parenthood…but it’s also just another day as the world’s oldest NEW superhero.